Page 1 Introduction Safety information System overview Industrial Controls 3RR2 current monitoring relays Monitoring and control devices SIRIUS 3UG4 / 3RR2 monitoring 3UG4501 filling level monitoring relay relay 3UG4.1 line monitoring relay Equipment Manual 3UG4621/3UG4622 current monitoring relays 3UG4625 residual current monitoring relay with 3UL23 transformer 3UG458.
Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
Page 3: Table Of Contents
Performance features of current monitoring relays ............. 52 4.3.1 General data ........................52 4.3.2 Properties .......................... 53 4.3.3 Configuration of load feeders ..................... 54 4.3.4 Combinations with 3RT20 contactor................... 54 3RR21 current monitoring relays ..................55 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 4 3UG4513 line monitoring relay ..................92 6.4.1 Operator controls and connection terminals ............... 92 6.4.2 Function ..........................92 6.4.3 Operation .......................... 94 6.4.4 Diagnostics ........................95 6.4.4.1 Diagnostics with LED......................95 6.4.5 Circuit diagrams......................... 96 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 5 Internal circuit diagrams....................131 7.6.2 Wiring examples (3UG46..-.AW30) ................... 131 7.6.3 Wiring examples (3UG462.-.AA30)................... 132 Technical data........................134 3UG4625 residual current monitoring relay with 3UL23 transformer..........135 Application areas ......................135 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 6 Operator controls and connection terminals ..............204 10.2.2 Functions......................... 204 10.3 3UG4633 voltage monitoring relay................... 207 10.3.1 Operator controls and connection terminals ..............207 10.3.2 Functions......................... 207 10.4 Operation ........................210 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 7 13.2.3 Probes for the 3UG4501 monitoring relay................. 247 13.2.4 Summation current transformer for the 3UG4624 monitoring relay ........248 13.2.5 3UL23 residual current transformers for 3UG4625 monitoring relays ........ 249 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 8 Dimension drawings for 3UG458.-1.W30 insulation monitoring relay/3UG4983 voltage reducer module) ......................301 C.2.5 Dimension drawings for 3UG458.-..W31 insulation monitoring relay/3UG4983-.AA01 voltage reducer module) ....................302 Menu-based operation ........................307 Index ..............................325 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 9: Introduction
Scope of the manual The manual is valid for these monitoring relays. It contains a description of the devices that is valid at the time of publication. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 10: Siemens Industry Online Support
Introduction 1.1 Siemens Industry Online Support Siemens Industry Online Support Information and service At Siemens Industry Online Support you can obtain up-to-date information from our global support database: • Product support • Application examples • Forum • mySupport Link: Siemens Industry Online Support (https://support.industry.siemens.com/cs/de/en)
Page 11 Easy access to CAx data, e.g. 3D models, 2D dimension drawings, EPLAN macros, device circuit diagrams • My IBase registrations Register your Siemens products, systems and software. Further documentation To install and connect the monitoring relays, you require the operating instructions of the monitoring relays used.
Page 12: Datamatrix Code
DataMatrix code A DataMatrix code is lasered onto all 3UG4/3RR2 monitoring relay devices underneath the label. The DataMatrix codes are standardized in ISO/IEC 16022. The DataMatrix codes on Siemens devices use ECC200 coding for powerful error correction. The following device information is encoded in the DataMatrix codes as a bit stream: •...
Page 13: Siemens Industry Online Support App
Siemens Industry Online Support app Siemens Industry Online Support app The Siemens Industry Online Support app provides you access to all the device-specific information available on the Siemens Industry Online Support portal for a particular article number, such as operating instructions, manuals, data sheets, FAQs etc.
Page 14: Support Request
Introduction 1.4 Support Request Support Request Use the Support Request online form to send your question directly to Technical Support: Support Request: Internet (https://support.industry.siemens.com/My/ww/en/requests) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 15: Safety Information
(shipbuilding, etc.). An up-to-date list of approvals appears in Chapter 10 of the Catalog IC 10 - SIRIUS "Industrial Controls" (https://support.industry.siemens.com/cs/de/de/view/109747945/ en), and more information, as well as an option to download certificates, can be obtained on the Internet (https://support.industry.siemens.com/cs/ww/en/ps/16364/cert). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 16: Product-Specific Safety Information
The devices may only be used for the applications described in the catalog and the technical description, and only in conjunction with equipment or components from other manufacturers which have been approved or recommended by Siemens. This product can function correctly and reliably only if it is transported, stored, assembled, and installed correctly, and operated and maintained as recommended.
Page 17: Recycling And Disposal
For environmentally friendly recycling and disposal of your old device, please contact a company certified for the disposal of old electrical and/or electronic devices and dispose of the device in accordance with the regulations in your country. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 18: Security Information
Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s exposure to cyber...
Page 19: Approvals, Test Certificates, Characteristics
You can find an overview of the certifications available for low-voltage controls and distribution products and other technical documentation, updated daily, on the Internet (https:// support.industry.siemens.com/cs/ww/en/ps/16364/cert). You will find further information in the Catalog IC 10 - SIRIUS "Industrial Controls," Chapter 10 (https://support.industry.siemens.com/cs/de/de/view/109747945/en). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 20 Safety information 2.5 Approvals, test certificates, characteristics SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 21: System Overview
The 3RT2 contactors for mounting on 3RR2 current monitoring relays offer: • Phase sequence • Phase failure • Undershoot and/or overshoot of current thresholds • Monitoring of the active current or apparent current • Monitoring of the fault current SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 22: Application Planning
(shipbuilding, etc.). An up-to-date list of approvals is provided in Chapter 10 of the Catalog IC 10 - SIRIUS "Industrial Controls." You will find more information and an option to download certificates on the Internet (https://support.industry.siemens.com/cs/ww/en/ps/16364/cert). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 23: Connection Methods
Tightening torque 0.6 to 0.8 Nm Solid and stranded 1 x (0.5 to 4.0) mm² 2 x (0.5 to 2.5) mm² 1 x (20 to 12) 2 x (20 to 14) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 24 1 x 10 mm² 2 x (20 to 14) 2 x (16 to 12) 2 x (18 to 2) 1 x 12 2 x (14 to 8) 1 x (18 to 1) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 25: Spring-Loaded Connection
These terminals are particularly well suited for use with machines and systems which are subject to stresses such as these, e.g. vibrators, rail vehicles, and elevators. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 26 The screwdriver blade keeps the spring-loaded terminal open automatically. ③ Insert the conductor into the oval connection slot. ④ Remove the screwdriver. The terminal closes and the conductor is now securely clamped. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 27 The screwdriver blade keeps the spring-loaded terminal open automatically. ③ Insert the conductor into the oval connection slot. ④ Remove the screwdriver. The terminal closes and the conductor is now securely clamped. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 28 3UG) Table 3-4 Removable terminal block with spring-loaded connections - monitoring relays Removable terminal Tool Ø 3.0 x 0.5 (3RA2908-1A) Solid and stranded 2 x (0.25 to 1.5) mm² SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 29 1 x (0.5 to 4) mm² 1 x (1 to 10) mm² Finely stranded with‐ 1 x (0.5 to 2.5) mm² 1 x (1 to 6) mm² out end sleeve SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 30: Device Replacement By Means Of Removable Terminals
Press the interlock in the direction of the removable terminal. ② Remove the terminal to the front. ③ Attach the new terminal and press the terminal into the device until the interlock audibly engages. ④ SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 31 System overview 3.3 Connection methods Note The procedure is similar on devices with fewer connection terminals. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 32: Mounting / Removal
Direct mounting on 3RT2 contactor / 3RF34 (size S0) solid-state contactor The diagram below shows an example mounting scenario based on mounting the 3RR21 analog setting current monitoring relay, size S0, on the 3RT2 contactor. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 33 Check that the cable is clamped tight. Note The connection cross-sections of the removable and permanently connected terminal blocks with screw-type connections are described in the Chapter "Screw-type connection (Page 23)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 34 S0) into which the contacts on the current monitoring relay have to be inserted. Main conductor terminal on the contactor (a) Main conductor terminal on the contactor (a) (S00): (S0): SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 35 Removing the 3RR2 current monitoring relay, screw-type connection system (size S0) ① Undo the screws on the main conductor terminals. ② Pull the current monitoring relay down and away from the contactor. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 36 Pull the current monitoring relay toward you and away from the contactor. Removing the 3RR2 current monitoring relay (size S2) ① Undo the screws on the main conductor terminals. ② Pull the current monitoring relay down and away from the contactor SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 37: Mounting The 3Ug4 Monitoring Relay
(Page 242)". 3.4.2 Mounting the 3UG4 monitoring relay Mounting position It can be mounted in any position. Screw mounting The illustration below shows how to screw-mount the 3UG4 monitoring relay. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 38: Installing The 3Ug458. Monitoring Relay
To remove the device, press it down, pushing against the mounting springs, and swivel the device to remove it. 3.4.3 Installing the 3UG458. monitoring relay. Mounting onto standard rail The figure below shows how to install the 3UG458. insulation monitoring relay on a standard rail. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 39 ① Position the device on the top edge of the DIN rail and press it down until it snaps onto the bottom ② edge of the DIN rail. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 40 System overview 3.4 Mounting / removal ① For disassembly, press the device down and remove the device with a swiveling motion to the ② front. ③ SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 41: Overview Of The Functions
— — Monitoring for undervoltage — — — 3p — 3p — — — — — Monitoring for overvoltage — — — — — — — — — — — SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 42 The monitoring relays work with an electronic measuring method which calculates the actual (effective) value of a measured value (tRMS), regardless of whether the measured variable's waveform is purely sinusoidal or distorted. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 43 The required line quality can be ensured by using line filters/sine-wave filters where applicable. Of course, the suitability of the relevant monitoring relay for the monitored line frequencies must also be considered. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 44: Menu-Based Operation
, such as the switching behavior of the output relays, the reset response in the event of a fault, and/or the tripping delay times can be set. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 45 The display indicates the type of error. • Error1 / Error2 / ... Error detected ④ Settings for basic device parameters, see below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 46 ③ Next to this, one or two symbols represent the type (changeover contact or semiconductor output) and the switching status of the outputs. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 47 The switchover process will be interrupted if the SET key is released while displayed. The menu will revert to the menu command you were working with when the switch was initiated. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 48 30 seconds after the last limit value change. Note Quitting the SET menu level will trigger an internal reset in 3UG4621/3UG4622/3UG4625 and 3UG4641 device variants and restart the startup delay. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 49: 3Rr2 Current Monitoring Relays
3RR2 current monitoring relays were conceived for monitoring 3-phase systems. Depending on the device version used, monitoring of 1- or 2-phase AC systems is possible with the following wiring variants: SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 50 The accessories have been tailored to the current monitoring relays; they can be mounted easily and without the need for tools. The accessories are described in the Chapter "Accessories for 3RR2 current monitoring relays (Page 241)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 51: Application Areas
Surface grinding machine • Breaking mill • Milling machine • Car wash • Lifting platform • Screw conveyor • Crane • Turning machine • Woodworking • Grain mills • Steel industry SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 52: Performance Features Of Current Monitoring Relays
S0: 4.0 to 40 A • Just 1 option per size with a wide setting range makes con‐ S2: 8.0 to 80 A S2: 8.0 to 80 A figuration easy. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 53: Properties
1 CO contact 1 CO contact • Allow the system or process to be shut down in the event of an irregularity 1 semiconductor out‐ • Can be used to output signals SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 54: Configuration Of Load Feeders
8.0 to 80 A ✓ X = with stand-alone assembly support You can find further technical information on 3RR24 in the Manual "3UG48/3RR24 monitoring relays for IO-Link (http://support.automation.siemens.com/WW/view/en/54375430)" on the internet. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 55: 3Rr21 Current Monitoring Relays
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 59)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 56: Function
If the unmonitored phase 5/L3 - 6/T3 fails, this can be detected if a motor is connected by an increase in current in both phases 1/L1 - 2/T1 and 3/L2 - 4/T2. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 57 F LASH F LASH F LASH slow slow slow slow slow slow slow fast onD el onD el I D el onD el onD el I D el I D el SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 58: Operation
If both threshold values are deactivated (OFF), the following will no longer be monitored: • Current overshoot • Current undershoot The following parameters continue to be monitored: • Phase failure SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 59: Diagnostics
You can find more information about the LED display response in the Chapter "Function (Page 56)." 4.4.5 Circuit diagrams Internal circuit diagrams 3RR21 3RR2141-1A.30 current monitoring relay Figure 4-2 1 CO contact, 2-phase SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 60: Technical Data
4.4.6 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16205/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 61: 3Rr22 Current Monitoring Relays
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 68)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 62: Function
This saved fault condition can be reset by pressing both arrow keys at the same time for longer than 2.5 s or by disconnecting and reconnecting the auxiliary voltage. Note Semiconductor output The semiconductor output always responds in automatic reset. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 63 ② (time ), the CO contact and the semiconductor output respond again according to the defined settings. If manual RESET (Mem = yes) is selected, the tripping state is saved. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 64 R sD el D el R sD el onD el D el onD el onD el R sD el D el R sD el D el = yes SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 65: Operation
Residual current moni‐ no or yes toring (I >> "SET" Reset response (Mem) no = Autoreset yes = HandRESET no = Autoreset "SET" Phase sequence moni‐ no or yes toring ( SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 66 • Phase failure The up-to-date measured value is displayed permanently. The parameters are described in the Chapter "Parameters (Page 281)". Menu-based operation is described in the Chapter "Menu-based operation (Page 44)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 67: Diagnostics
③ • Not flashing: Semiconductor output closed, supply voltage connected • Flashing: Delay time (ON-delay or tripping delay) running • Masked out: Semiconductor output open, supply voltage not switched through SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 68: Circuit Diagrams
4.5.6 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16205/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 69 3RR2 current monitoring relays 4.5 3RR22 current monitoring relays SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 70 3RR2 current monitoring relays 4.5 3RR22 current monitoring relays SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 71: 3Ug4501 Filling Level Monitoring Relay
Filling level monitoring of oil sumps • Overflow protection • Filling level monitoring of rainwater catchment basins • Dry-run protection • Water supply • Leakage monitoring • Waste water treatment plant SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 72: Operator Controls And Connection Terminals
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 78)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 73: Functions
(e.g. wave motion or foaming of the liquid). The switching states of the output relay are given below in the section entitled "Function diagrams." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 74 If the rated control supply voltage is switched on again after > 0.5 s + Delay ( t ) (device reset), the output relay switches depending on the set relay switching behavior. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 75 > 0,5 s + t Max Min Max Min 11/14 11/14 11/12 11/12 t = Delay 0.5 - 10 s t = Delay 0.5 - 10 s OV = overshoot UN = undershoot SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 76: Operation
The parameters are defined in Chapter "Parameters (Page 281)." Required tools The same screwdriver can be used to set the parameters as for mounting the filling level monitoring relays. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 77: Diagnostics
(contact 11‑12 open, contact 11-14 closed), the yellow LED next to the contact symbol on the device cover lights up. The switching behavior of the output relay is shown in Chapter "Functions (Page 73)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 78: Circuit Diagrams
Inflow control AC/+U AC/+U 12 14 12 14 A1 (+) Max Min A1 (+) Max Min 3UG45 01 3UG45 01 A2 (–) A2 (–) AC/0V AC/0V Two-step control One-point closed-loop control SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 79: Technical Data
5.7 Technical data Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 80 3UG4501 filling level monitoring relay 5.7 Technical data SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 81: 3Ug4.1 Line Monitoring Relay
Depending on the version, the electronic line monitoring relays monitor the following: • Phase sequence • Phase failure with and without neutral conductor monitoring • Phase asymmetry • Undervoltage and/or overvoltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 82: Application Areas
Overvoltage • System protection against destruction caused by supply overvoltages • Energy supply to the line • Lamps (UV lamps, laser lamps, OP lighting, tunnels, traffic lights) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 83: 3Ug4511 Line Monitoring Relay
160 V to 260 V (3UG4511‑..N20), 320 to 500 V (3UG4511‑..P20) and 420 to 690 V (3UG4511‑..Q20) through terminals L1 / L2 / L3. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 84 The device features an autoreset that resets the output relay to its original state after an error message and rectification of the fault that has occurred. Function diagrams 3UG4511 Correct phase sequence Incorrect phase sequence L1-L2-L3 L3-L2-L1 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 85: Diagnostics
You will find more information about the switching behavior of the output relays in Chapter "Function (Page 83)." 6.2.4 Circuit diagrams Internal circuit diagrams 3UG4511 3UG4511‑.A.. line monitoring relays 3UG4511‑.B.. line monitoring relays SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 86: Technical Data
6.2.5 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 87: 3Ug4512 Line Monitoring Relay
The 3UG4512 line monitoring relays monitor all phases of three- phase AC networks from 160 to 690 V through terminals L1 / L2 / L3 and also draw power from all three phases simultaneously. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 88 Note The red "phase failure / phase sequence" LED is a fault diagnostics display and does not indicate the current state of the relay! SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 89: Diagnostics
Supply voltage not present Off • Supply voltage present • Correct phase sequence • All phases available flashing • Supply voltage present • Incorrect phase sequence • Supply voltage present • Phase failure SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 90: Circuit Diagrams
It is not necessary to fuse the measuring circuit to protect the device. Fusing for line protection depends on the cross-section used. Note The 3UG4512 line monitoring relays are only suitable for line frequencies of 50 / 60 Hz! SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 91: Technical Data
6.3.5 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 92: 3Ug4513 Line Monitoring Relay
The 3UG4513 line monitoring relays monitor all phases of three- phase AC networks from 160 to 690 V through terminals L1 / L2 / L3 and also draw power from all three phases simultaneously. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 93 The device features an autoreset that resets the output relays to their original state after an error message and rectification of the fault that has occurred. Note The red LED is a fault diagnostics display and does not indicate the current state of the relay! SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 94: Operation
The parameters are described in Chapter "Parameters (Page 281)." Required tools The same screwdriver can be used to set the parameters as for mounting the line monitoring relays. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 95: Diagnostics
• Phase failure • Supply voltage present • Line-to-line voltage under‐ shot You will find more information about the switching behavior of the output relays in Chapter "Function (Page 92)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 96: Circuit Diagrams
6.4.6 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 97: 3Ug4614 Line Monitoring Relay
= rated control supply voltage). The 3UG4614 line monitoring relays monitor all phases of three- phase AC networks from 160 to 690 V through terminals L1 / L2 / L3 and also draw power from all three phases simultaneously. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 98 On the display, the current measuring value and the symbol for undershoot or overshoot flash. You will find the switching states of the output relays below in section "Function diagrams" and in Chapter "Diagnostics (Page 100)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 99: Operation
Hyst, 2% Hyst, 2% 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 onDel onDel 6.5.3 Operation Parameters Parameterization of the devices is possible locally using the display and the three keys. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 100: Diagnostics
Indications on the display Display information The display is divided into three different areas. ① Voltage measured value or fault symbol ② Type of monitoring ③ Symbols of the changeover contacts SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 101: Reset
You will find more information about the switching behavior of the output relays in Chapter "Functions (Page 97)". 6.5.4.2 Reset RESET How the outputs are reset depends on the "Reset response" parameter (see Chapter "Reset response (Page 281)"). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 102: Circuit Diagrams
6.5.6 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 103 3UG4.1 line monitoring relay 6.5 3UG4614 line monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 104: 3Ug4615 / 3Ug4616 Line Monitoring Relays
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 110)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 105: Functions
The display indicates the following voltages in the case of the line monitoring relays: • 3UG4615: Line-to-line voltage between L1 and L2, L1 and L3, L2 and L3 • 3UG4616: Line-to-neutral voltage between L1 and N, L2 and N, L3 and N SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 106 L3-L2-L1 L3-L2-L1 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 L1-L2-L3 L1-L2-L3 L1-L2-L3 L1-L2-L3 L2-L3 L2-L3 L1-L2-L3-N L1-L2-L3 L1-L2-L3-N L1-L2-L3-N L1-L2-L3 L1-L2-L3-N 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 107: Operation
425 V 90 V 400 V 245 V "SET" Hysteresis (Hyst) 1.0 V 20.0 V 5.0 V "SET" Tripping delay time (U▼Del) 0.1 s 20.0 s 0.1 s 0.1 s SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 108: Diagnostics
Symbols of the changeover contacts Meaning of the information on the display Note Indications in the event of a fault The symbols on the display flash to indicate an error. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 109: Reset
You will find more information about the switching behavior of the output relays in Chapter "Functions (Page 105)". 6.6.4.2 Reset RESET How the outputs are reset depends on the "Reset response" parameter (see Chapter "Reset response (Page 281)"). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 110: Circuit Diagrams
3UG4615 line monitoring relay 3UG4616 line monitoring relay Note It is not necessary to fuse the measuring circuit to protect the device. Fusing for line protection depends on the cross-section used. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 111: Technical Data
6.6.6 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 112: 3Ug4617 / 3Ug4618 Line Monitoring Relays
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 119)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 113: Functions
(Asy) is less than the set value, the output relay K1 (relay contact 11‑12‑14) picks up approx. 50 ms after the response of output relay K2 (relay contact 21‑22‑24). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 114 The 3UG4617 and 3UG4618 line monitoring relays are only suitable for line frequencies of 50 / 60 Hz! You will find the switching states of the output relays below in the Section "Function diagrams" and in the Chapter "Diagnostics (Page 117)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 115 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 50 ms 50 ms Asym > Hyst, 2% Hyst, 2% 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 50 ms 50 ms SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 116: Operation
= Autoreset 3UG4617 line monitoring relay 3UG4618 line monitoring relay The parameters are described in the Chapter "Parameters (Page 281)". Menu-based operation is described in the Chapter "Menu-based operation (Page 44)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 117: Diagnostics
• Not flashing: Relay contact 11/12 open, relay contact 11/14 closed • Flashing: Delay time (tripping delay) is running • Masked out: Relay contact 11/12 closed, relay contact 11/14 open SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 118: Reset
2.5 s after removal of the cause of error. If the cause of the error has not been removed, a new error message appears immediately. Alternatively, the devices can be reset by switching the rated control supply voltage on and off. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 119: Circuit Diagrams
3UG4617 line monitoring relay 3UG4618 line monitoring relay Note It is not necessary to fuse the measuring circuit to protect the device. Fusing for line protection depends on the cross-section used. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 120: Wiring Examples
6.7.6 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 121: 3Ug4621/3Ug4622 Current Monitoring Relays
• Wire-break monitoring • Heating systems (electroplating plants, plastic injection machines, paintshops) • Lamps (tunnels, OP lighting, traffic lights, sig‐ nal systems, UV lamps, infrared radiators, laser lamps) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 122: Operator Controls And Connection Terminals
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 131)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 123: Functions
If the open-circuit principle (NO) is set, active switching of the relay only when a fault occurs means that a power failure is not detected as a fault. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 124 NC or NO working principle. You will find the switching states of the output relay below in the section entitled "Function diagrams" and in Chapter "Diagnostics (Page 129)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 125 I Del onDel onDel I Del I Del I Del I Del I Del I Del J = Currently measured current value I = set threshold value for the current SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 126 I Del I Del I Del onDel onDel I Del I Del I Del I Del J = Currently measured current value I = set threshold value for the current SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 127: Operation
Note Deactivating monitoring If the upper and lower threshold values are deactivated (OFF), monitoring will cease for: • Current overshoot • Current undershoot The up-to-date measured value is displayed permanently. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 128 3UG4621/3UG4622 current monitoring relays 7.4 Operation The parameters are described in the Chapter "Parameters (Page 281)". Menu-based operation is described in the Chapter "Menu-based operation (Page 44)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 129: Diagnostics
Flashing: Delay time (ON-delay or tripping delay) running • Masked out: Relay contact 11/12 closed, relay contact 11/14 open You will find more information about the switching behavior of the output relay in Chapter "Functions (Page 123)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 130: Reset
2.5 s after removal of the cause of error. If the cause of the error has not been removed, a new error message appears immediately. Alternatively, the devices can be reset by switching the rated control supply voltage on and off. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 131: Circuit Diagrams
On the 24 to 240 V AC/DC versions of the 3UG4621/22‑.AW30, terminals A2 and M (GND) are electrically separated! 7.6.2 Wiring examples (3UG46..-.AW30) Single-phase operation Three-phase operation AC/DC AC/DC load Load < > < > load Load 3UG462.-.AW30 single-phase operation 3UG462.-.AW30 three-phase operation SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 132: Wiring Examples (3Ug462.-.Aa30)
< > load load Operation with a common control circuit and load current circuit • single-phase o.k. o.k. 24 V AC/DC 24 V AC/DC Load Load < > < > optional SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 133 If the load to be monitored and the current monitoring relay are powered from the same system, terminal A2 is not required! The load current must always flow away through M (GND), otherwise the current monitoring relay may be destroyed! SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 134: Technical Data
7.7 Technical data Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 135: 3Ug4625 Residual Current Monitoring Relay With 3Ul23 Transformer
Diminishing insulation caused by material wear • Furnaces Note 3UG4625 residual current monitoring relays monitor devices and systems for their correct function. They are not suitable for personal protection or protection from fires. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 136: Operator Controls And Connection Terminals
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 148)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 137: Functions
Short-term fault currents or emitted interference can be easily faded out using the adjustable tripping delay time. For more information please see the Chapter "Measuring accuracy (Page 137)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 138 To avoid these types of measuring errors and false tripping, we recommend to set the limit values to the minimum values listed in the following graphic, depending on the applicable primary current. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 139 Due to the great difference between the peak value and the rms value, monitoring for lower limits is useful. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 140 K1 changes the switching state. Exceeding the set warning threshold will cause output relay K2 to switch immediately without taking into account the tripping delay time. On the display, the actual measured value and the symbol for overshoot flash. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 141 (I▲) and can be set in the SET menu. However, "Hyst = 5 %" refers to the warning thresholds (I!) and is permanently set to 5 %. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 142 Reset Mem = yes Init = ERR > I I > I I ! Hyst Hyst = 5 % I = 0.02A 11/14 11/12 21/24 21/22 Init onDel onDel onDel SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 143 I▲ / I! A1-A2 Mem = no > I I Init = OK > I I ! Hyst Hyst = 5 % I = 0.02A 11/14 11/12 21/24 21/22 Init onDel onDel SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 144 I = 0.02A 11/14 11/12 21/24 21/22 onDel onDel Init onDel Note The system is immediately switched off in the event of an open-circuit or short-circuit in the transformer connection cables. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 145: Operation
The 3UL23 residual current transformers used cover the entire fault current range from 0.03 to 40 A in all sizes. For more information on the technical data of 3UL23 residual current transformers see Chapter "Installing (Page 260)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 146: Diagnostics
• Flashing: Delay time (ON-delay) running • Masked out: Relay contact 21/22 closed, relay contact 21/24 open ① ---A Self-test active, no measurements ① Measurement range exceeded (> 40 A) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 147: Reset
Alternatively, the devices can be reset by switching the rated control supply voltage on and off. Note The warning threshold is always reset by autoreset. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 148: Circuit Diagrams
3UL23 residual current transformer is connected to terminals C1 and C2 of the monitoring relay. To avoid interference injection, which could result in incorrect measurements, these connecting lines must be routed as parallel as possible and twisted, or shielded cables must be used. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 149: Wiring Examples
3UG4625 residual current monitoring relay with 3UL23 transformer 8.6 Circuit diagrams 8.6.2 Wiring examples L2 L3 3UL23 3UG4625 load ① Cable shielding recommended Figure 8-1 Wiring diagram of 3UG4625 with 3UL23 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 150: Technical Data
8.7 Technical data Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 151: 3Ug458. Insulation Monitoring Relay
• Ungrounded, mixed DC systems and AC systems for insulation faults (e.g. AC systems with rectifiers or switched-mode power supplies) Note The use of two 3UG458 devices in a galvanically connected area (monitored area) is not permissible. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 152 3UG458. insulation monitoring relay. 3UG458. 3UG458. ① Monitored area SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 153: Application Areas
2p: Monitoring is 2-phase 2p + N: Monitoring is 2-phase + N conductor 3p: Monitoring is 3-phase 3p + N: Monitoring is 3-phase + N conductor — : Function not available Configurable SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 154: Performance Features Of The Insulation Monitoring Relays
Autoreset or manual RESET ✓ ✓ ✓ Remote RESET ✓ ✓ ✓ via control input via control input via control input Retentive fault memory — — ✓ Open-circuit detection — — ✓ SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 155 3UG458. insulation monitoring relay. 9.2 Performance features of the insulation monitoring relays ✓: Function available — : Function not available With 3UG4983‑.A voltage reducer module Configurable SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 156: 3Ug4581 Insulation Monitoring Relay
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 169)". You can find information on connecting in the Chapter "Circuit diagrams (Page 165)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 157 You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 169)". You can find information on connecting in the Chapter "Circuit diagrams (Page 165)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 158 You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 169)". You can find information on connecting in the Chapter "Circuit diagrams (Page 165)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 159: Functions
If there are no internal device faults or external faults on completion of this test, output relay K1 picks up. This test can take several seconds depending on individual system properties. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 160 2) Remote reset (remote button with NC function) 3) A1+ / A2- (switching the supply voltage off/on) 1) On the front (Test/Reset button) 2) A1+ / A2- (switching the supply voltage off/on) 1) Autoreset (factory setting) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 161 Without fault storage, autoreset ① Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Threshold ⑥ Green ⑦ ⑧ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 162 With fault storage, manual RESET ① Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Threshold ⑥ Green ⑦ ⑧ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 163: Operator Control
The test function can be started again at any time via the Test/ Reset button on the front or via a remote test button. The graphic below shows the connection of the button for the remote test. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 164: Diagnostics
Dependent on the fault. The switching behavior of the output relay is shown in Chapter "Functions (Page 159)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 165: Circuit Diagrams
Measuring input L can be connected to any conductor (phase or N conductor). The rated system voltage must be U ≤ 400 V AC (50 to 60 Hz). 2-wire AC system 3-wire AC system SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 166 The figure below shows monitoring for ground fault/insulation fault in the case of an ungrounded 4‑wire IT AC system. The voltage source is the secondary side of an isolating transformer that galvanically isolates the system and the downstream circuit. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 167: Characteristics
The maximum cable length of the control cables is 50 m or 100 pF/m. 9.3.6 Characteristics Characteristic curves of the 3UG4581 insulation monitoring relays The characteristics below show the load limit curves of the 3UG4581 insulation monitoring relays. Figure 9-4 AC load (resistive) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 168 DC load (resistive) Figure 9-6 Reduction factor F in the case of inductive AC load ① Operating cycles ② 250 V, resistive load ③ Switching current Figure 9-7 Contact service life SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 169: Technical Data
9.3.7 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 170: 3Ug4582/3Ug4583 Insulation Monitoring Relays
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 201)". You can find information on connecting in the Chapter "Circuit diagrams (Page 192)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 171 You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 201)". You can find information on connecting in the Chapter "Circuit diagrams (Page 192)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 172 You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 201)". You can find information on connecting in the Chapter "Circuit diagrams (Page 192)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 173 Output relay K1 CO contact root Output relay K1 CO contact NO contact Output relay K2 CO contact NC contact Output relay K2 CO contact root Output relay K2 CO contact NO contact SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 174 You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 201)". You can find information on connecting in the Chapter "Circuit diagrams (Page 192)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 175 Output relay K1 CO contact root Output relay K1 CO contact NO contact Output relay K2 CO contact NC contact Output relay K2 CO contact root Output relay K2 CO contact NO contact SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 176 You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Technical data (Page 201)". You can find information on connecting in the Chapter "Circuit diagrams (Page 192)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 177 Output relay K1 CO contact root Output relay K1 CO contact NO contact Output relay K2 CO contact NC contact Output relay K2 CO contact root Output relay K2 CO contact NO contact SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 178: Functions
The received signal is different in form to the injected measuring signal. This change depends on the insulation resistance and the system discharge capacity. The change to the insulation resistance is predicted from this deviating form. If the predicted insulation resistance SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 179 In the functional principle 2 x 1 changeover contacts, output relay K1 responds to threshold R1 (shutdown) and output relay K2 responds to threshold R2 (warning). If the measured value undershoots the set threshold R2 (warning), output relay K2 switches. If the measured value SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 180 (terminals Y2‑Y3) if the insulation resistance is greater than the set threshold including hysteresis. Another method of resetting the device is by switching the SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 181 You will find the adjustment ranges and factory settings of the available parameters and the definitions of the DIP switch positions in Chapter "Operator control (Page 188)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 182: Function Diagrams
Without fault storage, autoreset ① Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Threshold ⑥ Green ⑦ ⑧ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 183 With fault storage, manual RESET ① Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Threshold ⑥ Green ⑦ ⑧ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 184 ① Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Threshold ⑥ Green ⑦ ⑧ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 185 ① Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Threshold ⑥ Green ⑦ ⑧ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 186 Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Warning ⑥ Shutdown ⑦ Green ⑧ ⑨ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 187 Test (Y1-Y3) ② Reset (Y2-Y3) ③ Measured value ④ Hysteresis ⑤ Warning ⑥ Shutdown ⑦ Green ⑧ ⑨ Yellow = Time for internal device test after applying the supply voltage SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 188: Operator Control
The threshold is derived from the sum of the two set values. If, for example, threshold R.1-value is set to 70 and threshold R.2-value is set to 8 on the 3UG4582, threshold R corresponds to 78 kΩ. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 189 Open-circuit detection deactivated Open-circuit detection If open-circuit monitoring is activated, the This setting deactivates open-circuit de‐ insulation monitoring relay monitors cables tection. connected to terminals L+, L-, and KE for interruption. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 190 The test function can be started again at any time via the Test/ Reset button on the front or via a remote test button. The graphic below shows the connection of the button for the remote test. Figure 9-8 Remote test button SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 191: Diagnostics
The device has tripped following an insulation fault. The fault has been stored and the insulation resistance has reverted to a value above the set threshold including hysteresis. Dependent on the fault. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 192: Circuit Diagrams
The switching behavior of the output relay is shown in Chapter "Functions (Page 178)". 9.4.5 Circuit diagrams 9.4.5.1 Internal circuit diagrams Internal circuit diagrams 3UG4582-.AW3. / 3UG4583-.CW3. 3UG4582-.AW3. insulation monitoring relay 3UG4583-.CW3. insulation monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 193: Wiring Examples
2-wire AC system / 2-wire DC system 2-wire AC system 2-wire DC system 3-wire AC system/3-wire DC system 3-wire AC system 3-wire DC system 4-wire AC system 4-wire AC system SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 194 The rated line voltage is U ≤ 400 V AC (15 to 400 Hz) or U ≤ 600 V DC. The 3UG4983-.A voltage reducer module must be used to monitor systems with higher voltages. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 195 2-wire AC system / 2-wire DC system 2-wire AC system 2-wire DC system 3-wire AC system/3-wire DC system 3-wire AC system 3-wire DC system 4-wire AC system 4-wire AC system SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 196 Figure 9-10 Monitoring for ground fault/insulation fault in the case of an ungrounded 4-wire AC system Note The maximum cable length of the control cables is 50 m or 100 pF/m. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 197: Characteristics
The maximum cable length of the control cables is 50 m or 100 pF/m. 9.4.6 Characteristics Characteristics of the 3UG4582 insulation monitoring relays The characteristics below show the load limit curves of the 3UG4582 insulation monitoring relays. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 198 3UG458. insulation monitoring relay. 9.4 3UG4582/3UG4583 insulation monitoring relays Figure 9-12 AC load (resistive) Figure 9-13 DC load (resistive) Figure 9-14 Reduction factor F in the case of inductive AC load SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 199 Figure 9-15 Contact service life Characteristics of the 3UG4583 insulation monitoring relays The characteristics below show the load limit curves of the 3UG4583 insulation monitoring relays. Figure 9-16 AC load (resistive) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 200 DC load (resistive) Figure 9-18 Reduction factor F in the case of inductive AC load ① Operating cycles ② 250 V, resistive load ③ Switching current Figure 9-19 Contact service life SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 201: Technical Data
9.4.7 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 202 3UG458. insulation monitoring relay. 9.4 3UG4582/3UG4583 insulation monitoring relays SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 203: 3Ug463. Voltage Monitoring Relay
System protection against destruction caused by supply overvoltages • Energy supply to the line • Machine switch-on when a defined voltage is reached • Threshold switch for analog signals from 0.1 to 10 V SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 204: 3Ug4631 / 3Ug4632 Voltage Monitoring Relay
DC voltage at terminals IN and M of the device for overshoot (U▲) or undershoot (U▼) or in range monitoring (U▲ and U▼). The 3UG4631 / 32 voltage monitoring relays have a display and are parameterized with three keys. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 205 0.0 V and shows a symbol for voltage overshoot monitoring, voltage undershoot monitoring, or range monitoring. You will find the switching states of the output relay below in the section entitled "Function diagrams" and in Chapter "Diagnostics (Page 212)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 206 11/14 11/14 11/12 11/12 A1-A2 A1-A2 = off > Hyst Hyst 11/14 11/14 11/12 11/12 A1-A2 A1-A2 > Hyst Hyst Hyst Hyst 11/14 11/14 11/12 11/12 Del = Del = SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 207: 3Ug4633 Voltage Monitoring Relay
A1 and A2 of the device for overshoot (U▲) or undershoot (U▼) or in range monitoring (U▲ and U▼). The voltage monitoring relays are powered with a rated control supply voltage of 17 to 275 V AC/ DC through terminals A1/A2. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 208 You will find the switching states of the output relay below in the section entitled "Function diagrams" and in Chapter "Diagnostics (Page 212)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 209 11/14 11/12 11/12 onDel onDel > A1 - A2 =U A1 - A2 =U Hyst Hyst Hyst Hyst U =0 11/14 11/14 11/12 11/12 onDel onDel Del = Del = SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 210: Operation
3UG4631 voltage monitoring relay 3UG4632 voltage monitoring relay 3UG4633 voltage monitoring relay Note The monitoring mode "Overshoot" or "Undershoot" is defined with the setting OFF at the threshold for undershoot or overshoot. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 211 • Voltage overshoot • Voltage undershoot The up-to-date measured value is displayed permanently. The parameters are described in Chapter "Parameters (Page 281)." Menu-based operation is described in Chapter "Menu-based operation (Page 44)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 212: Diagnostics
Masked out: Relay contact 11/12 closed, relay contact 11/14 open You will find more information about the switching behavior of the output relay in Chapter "Functions (Page 204)" (3UG4631 / 3UG4632) and "Functions (Page 207)" (3UG4633). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 213: Reset
2.5 s after removal of the cause of error. If the cause of the error has not been removed, a new error message appears immediately. Alternatively, the devices can be reset by switching the rated control supply voltage on and off. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 214: Circuit Diagrams
On the 24 to 240 V AC/DC versions of the 3UG4631‑.AW30 and 3UG4632‑.AW30, terminals A2 and M (GND) are electrically separated! 10.6.2 Wiring examples 3UG4631‑.AA30 / 3UG4632‑.AA30 AC/DC Last A1(+) IN(+) < U > A2(–) M(–) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 215 3UG463. voltage monitoring relay 10.6 Circuit diagrams Figure 10-1 3UG4631‑.AA30 / 3UG4632‑.AA30 3UG4631‑.AW30 / 3UG4632‑.AW30 AC/DC Last A1(+) IN(+) < U > A2(–) M(–) Figure 10-2 3UG4631‑.AW30 / 3UG4632‑.AW30 3UG4633 Figure 10-3 3UG4633 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 216: Technical Data
10.7 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 217: 3Ug4641 Cos Phi And Active Current Monitoring Relay
Conveyor belt • Surface grinding machine • Breaking mill • Milling machine • Car wash • Lifting platform • Screw conveyor • Crane • Turning machine • Infrared heating system SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 218: Operator Controls And Connection Terminals
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 226)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 219: Functions
If the measured value overshoots or undershoots the set threshold after expiry of the ON-delay time (onDel), the set tripping delay time (Del) and the relay symbol will flash. After expiry of this SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 220 J = 0 J = 0 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 onDel onDel onDel onDel J = currently set current value I = set threshold value for the current SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 221 J = 0 J = 0 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 onDel onDel J = currently set current value I = set threshold value for the current SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 222 PF = 0 11/14 11/14 11/12 11/12 21/24 21/24 21/22 21/22 onDel onDel cos φ = currently set value for cos φ PF = power factor = set threshold for cos φ SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 223: Operation
The monitoring mode "Overshoot" or "Undershoot" is defined with the setting OFF at the threshold for undershoot or overshoot. The parameters are described in Chapter "Parameters (Page 281)." Menu-based operation is described in Chapter "Menu-based operation (Page 44)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 224: Diagnostics
Not flashing: Relay contact 21/22 open, relay contact 21/24 closed • Flashing: Delay time (ON-delay or tripping delay) running • Masked out: Relay contact 21/22 closed, relay contact 21/24 open SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 225: Reset
2.5 s after removal of the cause of error. If the cause of the error has not been removed, a new error message appears immediately. Alternatively, the devices can be reset by switching the rated control supply voltage on and off. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 226: Circuit Diagrams
Cos phi and active current monitoring for single-phase motors L or N 3UG4641 ϕ ϕ Ly/N N or L Figure 11-1 Cos phi and active current monitoring for single-phase motors SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 227 Cos phi and active current monitoring for three- Cos phi and active current monitoring for three- phase motors with transformers for currents phase motors with transformer for currents (with neutral conductor) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 228: Technical Data
11.7 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 229: 3Ug4651 Speed Monitoring Relay
The speed monitoring relays can also be used for all functions where a continuous pulse signal is to be monitored (e.g. belt travel monitoring, completeness check, pass monitoring, or cycle time monitoring). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 230: Operator Controls And Connection Terminals
You can find additional information on the connection terminals and the permissible conductor cross-sections in the Chapter "Connection methods (Page 23)". You can find information on connecting in the Chapter "Circuit diagrams (Page 237)". SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 231: Functions
To be able to start a drive, the output relay switches to the correct state during the ON-delay time (onDel) depending on the selected open-circuit principle or closed-circuit principle, even if the measured value is still under the set value. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 232 ON-delay time (onDel) and the drive (with a second contact, for example) be started. You will find the switching states of the output relay below in the section entitled "Function diagrams" and in Chapter "Diagnostics (Page 235)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 233 Note The relay control for the open-circuit principle NO is inverted to the represented function diagrams in the closed-circuit principle NC after application of the rated control supply voltage U SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 234: Operation
The monitoring mode "Overshoot" or "Undershoot" is defined with the setting OFF at the threshold for undershoot or overshoot. The parameters are described in Chapter "Parameters (Page 281)." Menu-based operation is described in Chapter "Menu-based operation (Page 44)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 235: Diagnostics
Flashing: Delay time (ON-delay or tripping delay) running • Masked out: Relay contact 11/12 closed, relay contact 11/14 open You will find more information about the switching behavior of the output relay in Chapter "Functions (Page 231)." SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 236: Reset
2.5 s after removal of the cause of error. If the cause of the error has not been removed, a new error message appears immediately. Alternatively, the devices can be reset by switching the rated control supply voltage on and off. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 237: Circuit Diagrams
On the 24 to 240 V AC / DC versions of the 3UG4651‑.AW30, terminals A1 / A2 and 0V / 24V are electrically separated! 12.6.2 Wiring examples Speed monitoring relays without Enable input AC/+U Reset A1 (+) 3UG46 51 NAMUR A2 (–) AC/0V SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 238 3UG4651 speed monitoring relay 12.6 Circuit diagrams Speed monitoring relays with Enable input AC/+U Enable Reset A1 (+) 3UG46 51 DC 24V/ max. 50 mA A2 (–) AC/0V SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 239: Technical Data
12.7 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 240 3UG4651 speed monitoring relay 12.7 Technical data SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 241: Accessories
Siemens also offers a sealable membrane (3TK2820-0AA00) for securing the current monitoring relays with analog setting. The sealable membrane is fixed to the front of the device and secures the rotary buttons and sliding switches against unintentional tampering.
Page 242: Terminal Support For Stand-Alone Assembly
Pozidriv size 2 (S00) or Pozidriv size 3 (S0) screwdriver (tightening torque 0.8 to 1.2 Nm). Check that the cable is clamped tight. Figure 13-2 Mounting the terminal support (screw-type connection technology in the main circuit) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 243 Make sure that the guide tabs are inserted into the designated slots on the terminal support. Figure 13-3 Mounting the terminal support (spring-loaded connection technology in the main circuit) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 244 Use a screwdriver to dislodge the terminal support from the current monitoring relay. ④ Pull the current monitoring relay down and away from the contactor. Figure 13-4 Removing the terminal support (screw-type connection technology in the main circuit) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 245 ③ Pull the current monitoring relay toward you and away from the terminal support. Figure 13-5 Removing the terminal support (spring-loaded connection technology in the main circuit) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 246: Accessories For 3Ug4 Monitoring Relays
The sealable cover can be used to secure the actuators (rotary buttons, sliding switches, and keys) of the monitoring relays against unauthorized or unintentional manipulation. Siemens also offers a sealable membrane (3TK2820-0AA00) for securing the monitoring relays with analog setting. The sealable membrane is affixed to the front of the device and secures rotary buttons and sliding switches against unintentional manipulation.
Page 247: Push-In Lugs
Probes for level monitoring Probes for level monitoring are available from various suppliers. We recommend probes from Jacob GmbH (https://www.jacob-gmbh.de/en/). There you can also obtain the previous 3UG3 wire electrodes and bow electrodes. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 248: Summation Current Transformer For The 3Ug4624 Monitoring Relay
97,5 3UL2203 Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 249: 3Ul23 Residual Current Transformers For 3Ug4625 Monitoring Relays
This type of fault current can be detected by type A transformers in accordance with DIN VDE 0100‑530, such as 3UL23 residual current transformers. Note 3UG4.25 residual current monitoring relays are only suitable for use with 3UL23 residual current transformers. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 250 Suitable FI type ② Circuit ③ Load current ④ Fault current Figure 13-9 Possible fault current forms and suitable residual current devices More information is available on the Internet (www.siemens.com/industrial-controls/support). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 251: Installation Specifications
3UL23 residual current transformers for external fault current monitoring All live cables must be routed as close to the center of the transformer as possible. Any neutral conductor must be routed through the transformer. Grounded protective SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 252 X > ∅ residual current transformer The internal transformer diameter must be at minimum twice the size of the power cable bundle diameter. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 253 210 mm diameter Note We recommend using twisted cables. ① ① Maximum cable lengths (see table above) Length ≥ 10 m (shielded, twisted, grounded cables) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 254: Potential For Optimization
3. Select a residual current transformer with a larger internal diameter. The reduced magnetic field strength that passes through the transformer due to the extended distance between power cables and transformer reduces the measuring accuracy but also the susceptibility to interference. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 255 The wall thickness of the sleeve must be 1 mm at minimum, the length of the sleeve (L) must correspond to the internal diameter of the transformer used. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 256: Installation Faults
In some instances, false alarms may occur for no apparent reason. However, these represent installation faults. The following examples demonstrate the most common installation faults. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 257 This means that the current flowing through the load to be monitored is no longer 100 % of the total current and all integrated monitoring relays measure fault currents. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 258 This fault leads to false tripping as the inflowing and outflowing currents are not always exactly the same strength, even if the loads are identical. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 259: Internal Circuit Diagram
13.2.5.5 Internal circuit diagram 3UL23 internal circuit diagram Figure 13-10 3UL23 residual current transformer SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 260: Installing
DIN EN 60715 has been properly secured. Mounting onto standard rail is possible with residual-current transformers with bushing opening diameters of up to ∅ 55 mm only (3UL2302-1A, 3UL2303-1A). SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 261 ② Mount the device on the rail. Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 262: Dimension Drawings
Accessories 13.2 Accessories for 3UG4 monitoring relays 13.2.5.7 Dimension drawings 3UL23 residual current transformer Figure 13-11 3UL2302-1A SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 263 Accessories 13.2 Accessories for 3UG4 monitoring relays Figure 13-12 3UL2303-1A 124.5 Figure 13-13 3UL2304-1A SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 264 Accessories 13.2 Accessories for 3UG4 monitoring relays 84.5 Figure 13-14 3UL2305-1A Figure 13-15 3UL2306-1A SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 265 Accessories 13.2 Accessories for 3UG4 monitoring relays Figure 13-16 3UL2307-1A SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 266: Accessories For 3Ug458.-1Aw30 / 3Ug4583-1Cw30 Insulation Monitoring Relays
The sealable cover can be used to secure the actuators (rotary buttons and sliding switches) of the monitoring relays against unauthorized or unintentional manipulation. Siemens also offers a sealable membrane (3TK2820-0AA00) with a width of 22.5 mm for securing the monitoring relays. The sealable membrane is affixed to the front of the device and secures rotary buttons and sliding switches against unintentional operation.
Page 267: 3Ug4983 Voltage Reducer Module For The 3Ug4583-1Cw30 Monitoring Relay
Note If the continuously present voltage is greater than 600 V, a minimum gap of 10 mm must be maintained between the neighboring devices. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 268 Position the device on the top edge of the DIN rail and press it down until it snaps onto the bottom ② edge of the DIN rail. Figure 13-18 Installing the 3UG4983 voltage reducer module (mounting onto standard rail) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 269: Internal Circuit Diagrams
Measuring inputs L+ and L- can be connected to any conductor. Measuring inputs L+ and L- must always be connected to different conductors. The rated system voltage is U ≤ 690 V AC (15 to 400 Hz) or U ≤ 1000 V DC. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 270 2-wire AC system / 2-wire DC system 2-wire AC system 2-wire DC system 3-wire AC system / 3-wire DC system 3-wire AC system 3-wire DC system 4-wire AC system 4-wire AC system SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 271: Technical Data
13.3.2.2 Technical data Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 272: Accessories For 3Ug4583-1Cw31 Insulation Monitoring Relays
Connection to 3UG4583 terminal VS Connection to 3UG4583 terminal Measuring signal input, ground connection Connection to 3UG4583 terminal L+ Connection to 3UG4583 terminal L- Connection to 3UG4583 terminal V1+ Connection to 3UG4583 terminal V1- SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 273 Connection to 3UG4583 terminal VS Connection to 3UG4583 terminal Measuring signal input, ground connection Connection to 3UG4583 terminal L+ Connection to 3UG4583 terminal L- Connection to 3UG4583 terminal V1+ Connection to 3UG4583 terminal V1- SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 274: Internal Circuit Diagrams
① For disassembly, press the device down and remove the device with a swiveling motion to the ② front. ③ 13.4.1.1 Internal circuit diagrams Internal circuit diagram 3UG4983-1A / 3UG4983-.AA01 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 275: Typical Circuit Diagrams (3Ug4983-.Aa01)
≤ 690 V AC (15 to 400 Hz) or U ≤ 1000 V DC. 2-wire AC system / 2-wire DC system 2-wire AC system 2-wire DC system 3-wire AC system/3-wire DC system 3-wire AC system 3-wire DC system SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 276 The maximum cable length between the 3UG4583-.CW31 insulation monitoring relay and the 3UG4983-.AA01 voltage reducer module is 0.4 m. Note The maximum cable length of the measuring circuit connections is 50 m or 100 pF/m. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 277: Technical Specifications
13.4.1.3 Technical specifications Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/ps/16367/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 278 Accessories 13.4 Accessories for 3UG4583-1CW31 insulation monitoring relays SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 279: References
In addition to this manual, please refer to the operating instructions and manuals for any accessories. You can download the relevant documentation from the Internet (http:// www.siemens.com/sirius/manuals). Simply enter the article number of the relevant item into the search field. Operating instructions...
Page 280 SIRIUS monitoring relay for power factor and active current monitoring 3ZX1012-0UG46-4BA1 (3UG4641) SIRIUS monitoring relay for speed monitoring (3UG4651) 3ZX1012-0UG46-5BA1 Manuals Title Reference Functional safety - Use of SIRIUS 3UG4 and 3RR2 monitoring relays with Internet (http:// integrated sensors support.automation.siemens .com/WW/view/en/ 39863898) SIRIUS 3UG4 / 3RR2 monitoring relay...
Page 281: Parameters
• Tripping delay time in the case of (active) current undershoot: I▼Del • Tripping delay time in the case of (active) current overshoot: I▲Del • Tripping delay time in the case of speed undershoot: ▼Del SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 282 The following table shows the behavior of the ON-delay time (onDel) with the device variants 3UG4 monitoring relay and 3RR2 current monitoring relay. Device variants Start of the ON-delay possible for: "Power‑ON" Automatic reset Manual reset 3RR21 3RR22 3UG4614 3UG4621 / 3UG4622 3UG4624 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 283 • Insulation resistance undershoot: Red LED lights up continuously • Voltage undershoot: Red LED lights up continuously (Warning) threshold for overshoot The device monitors a measured value for overshoot. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 284 If manual RESET is selected, the switching contact remains in the current switching state even if the measured value returns to a permissible value. Possible indications on the display: Mem SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 285 The associated hysteresis threshold is taken into consideration here. At the end of this time the contacts switch back to normal operation. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 286 If phase sequence monitoring has been activated and the load currents exhibit the wrong phase sequence, the CO contact and the semiconductor output will change their switching status immediately (≤ 200 ms). Possible indications on the display: SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 287 You can determine the thresholds by operating the motor at the load limits, for example. You can then read the thresholds as the up-to-date measured values off the display of the monitoring relay. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 288 (conductive measurement method). This method can be used with all liquids and substances that have a resistivity < 200 kΩ. Table B-1 Resistivity of liquids Product kΩ Product kΩ Buttermilk Natural water Fruit juice Waste water treatment SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 289 The "Stabilization time" parameter is set either locally using the three keys on the device, or via IO‑Link. The requirements governing the starting of the stabilization delay (Power‑ON and/or manual reset) can only be modified via IO‑Link. SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 290 Set delay times have no effect on phase failure monitoring. The "phase failure monitoring" parameter on the 3UG48 monitoring relays is set either locally via the three keys on the device, or via IO‑Link. Possible indications on the display: SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 291: Dimension Drawings
Dimension Drawings Dimension drawings 3RR2 monitoring relay 3RR2.41-1A.30 (screw connection, S00) Figure C-1 3RR2.41-1A.30 with contactor Figure C-2 3RR2.41-1A.30 with terminal support for stand-alone assembly SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 292 C.1 Dimension drawings 3RR2 monitoring relay 3RR2.41-2A.30 (spring-loaded connection, S00) Figure C-3 3RR2.41-2A.30 with contactor Figure C-4 3RR2.41-2A.30 with terminal support for stand-alone assembly 3RR2.42-1A.30 (screw connection, S0) Figure C-5 3RR2.42-1A.30 with contactor SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 293 C.1 Dimension drawings 3RR2 monitoring relay Figure C-6 3RR2.42-1A.30 with terminal support for stand-alone assembly 3RR2.42-2A.30 (spring-loaded connection, S0) Figure C-7 3RR2.42-2A.30 with contactor Figure C-8 3RR2.42-2A.30 with terminal support for stand-alone assembly SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 294 Dimension Drawings C.1 Dimension drawings 3RR2 monitoring relay 3RR2143-1A.30 (S2) Figure C-9 3RR2143-1A.30 with contactor Figure C-10 3RR2143-1A.30 with terminal support for stand-alone assembly SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 295 Dimension Drawings C.1 Dimension drawings 3RR2 monitoring relay 3RR2143-3A.30 (S2) Figure C-11 3RR2143-3A.30 with contactor Figure C-12 3RR2143-3A.30 with terminal support for stand-alone assembly SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 296 Dimension Drawings C.1 Dimension drawings 3RR2 monitoring relay 3RR2243-1F.30 (S2) Figure C-13 3RR2243-1F.30 with contactor Figure C-14 3RR2243-1F.30 with terminal support for stand-alone assembly SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 297 Dimension Drawings C.1 Dimension drawings 3RR2 monitoring relay 3RR2243-3F.30 (S2) Figure C-15 3RR2243-3F.30 with contactor Figure C-16 3RR2243-3F.30 with terminal support for stand-alone assembly SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 298: Dimension Drawings 3Ug4 Monitoring Relays
3UG4. monitoring relays with 2 connecting terminals with screw-type connections 3UG4. monitoring relays with 2 connecting terminals (spring-loaded connections) Figure C-18 3UG4. monitoring relays with 2 connecting terminals with spring-loaded connections SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 299: Dimension Drawings 3Ug4 Monitoring Relays. (3 Connecting Terminals)
3UG4. monitoring relays with 3 connecting terminals with screw-type connections 3UG4. monitoring relays with 3 connecting terminals (spring-loaded connections) Figure C-20 3UG4. monitoring relays with 3 connecting terminals with spring-loaded connections SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 300: Dimension Drawings 3Ug4 Monitoring Relays. (4 Connecting Terminals)
3UG4. monitoring relays with 4 connecting terminals with screw-type connections 3UG4. monitoring relays with 4 connecting terminals (spring-loaded connections) Figure C-22 3UG4. monitoring relays with 4 connecting terminals with spring-loaded connections SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 301: Dimension Drawings For 3Ug458.-1.W30 Insulation Monitoring Relay/3Ug4983 Voltage Reducer Module)
C.2.4 Dimension drawings for 3UG458.-1.W30 insulation monitoring relay/ 3UG4983 voltage reducer module) 3UG4581-1AW30/3UG4582-1AW30 monitoring relays Figure C-23 3UG4581-1AW30/3UG4582-1AW30 insulation monitoring relays 3UG4583-1CW30 monitoring relay Figure C-24 3UG4583-1CW30 insulation monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 302: Dimension Drawings For 3Ug458
Figure C-25 3UG4983-1A upstream module C.2.5 Dimension drawings for 3UG458.-..W31 insulation monitoring relay/ 3UG4983-.AA01 voltage reducer module) 3UG4581-1AW31 monitoring relay R=R.1+R.2 R.1-VALUE kΩ R.2-VALUE kΩ Figure C-26 3UG4581-1AW31 insulation monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 303 3UG4581-2AW31 monitoring relay R=R.1+R.2 R.1-VALUE kΩ R.2-VALUE kΩ Figure C-27 3UG4581-2AW31 insulation monitoring relay 3UG4582-1AW31 monitoring relay TEST/ RESET R=R.1+R.2 R.1-VALUE kΩ R.2-VALUE kΩ Figure C-28 3UG4582-1AW31 insulation monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 304 R.1-VALUE kΩ R.2-VALUE kΩ Figure C-29 3UG4582-2AW31 insulation monitoring relay 3UG4583-1CW31 monitoring relay TEST/ RESET Rx=Rx.1+Rx.2 R1.1-VALUE kΩ R2.1-VALUE kΩ R1.2-VALUE kΩ R2.2-VALUE kΩ Figure C-30 3UG4583-1CW31 insulation monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 305 3UG4583-2CW31 monitoring relay TEST/ RESET Rx=Rx.1+Rx.2 R1.1-VALUE kΩ R2.1-VALUE kΩ R1.2-VALUE kΩ R2.2-VALUE kΩ Figure C-31 3UG4583-2CW31 insulation monitoring relay 3UG4983-1AA01 voltage reducer module Figure C-32 3UG4983-1AA01 voltage reducer module SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 306 Dimension Drawings C.2 Dimension drawings 3UG4 monitoring relays 3UG4983-2AA01 voltage reducer module Figure C-33 3UG4983-2AA01 voltage reducer module SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 307: Menu-Based Operation
Menu-based operation 3RR2241 current monitoring relay SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 308 According to the setting in the menu " Value " Display Upper threshold value Exceeded Not exceeded Display Lower threshold value Not fallen below Fallen below Display Threshold Exceeded Not above Fallen below Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 309 According to the setting in the menu " Value " Display Upper threshold value Exceeded Not exceeded Display Lower threshold value Not fallen below Fallen below Display Threshold Exceeded Not above Fallen below Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 310 According to the setting in the menu " Value " Display Upper threshold value Exceeded Not exceeded Display Lower threshold value Not fallen below Fallen below Display Threshold Exceeded Not above Fallen below Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 311 U p p e r l i m i t v a l u e ... overshot ... not overshot L o w e r l i m i t v a l u e ... not undershot ... undershot SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 312 Menu-based operation 3UG4615 line monitoring relay Value Error SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 313 >500ms >2s >2s >2s Error >2s >500ms >500ms Memory ? 12 14 22 24 Upper limit value ... overshot ... not overshot Lower limit value ... not undershot ... undershot SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 314 Value >500ms >2s >2s >2s Error >2s >500ms >500ms Memory ? 1214 22 24 Upper limit value ... overshot ... not overshot Lower limit value ... not undershot ... undershot SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 315 >500ms >2s >2s >2s Error + >2s >500ms >500ms Memory ? 12 14 22 24 Upper limit value exceeded ... not exceeded Lower limit value ... not undershot ... undershot SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 316 Depending on the setting in menu " Value" Display Upper limit value exceeded not overshot Lower limit value Display Fallen below Fallen below Limit Display exceeded not overshot/undershot Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 317 12 14 Depending on the setting in menu " Value" Display Upper limit value exceeded exceeded Lower limit value Display Fallen below Fallen below Limit Display exceeded not overshot/undershot Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 318 >2s Error >2s >2s >500ms >500ms Memory ? 12 14 22 24 Display upper limit value and warning threshold not overshot Display Only warning threshold overshot Display Upper limit overshot SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 319 O n l y w a r n i n g t h r e s h o l d o v e r s h o t >500ms >2s Error >2s >2s >500ms >500ms Memory ? SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 320 Depending on the setting in menu " Value" Display Upper limit value exceeded not overshot Lower limit value Display Fallen below Fallen below Limit Display exceeded not overshot/undershot Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 321 Depending on the setting in menu " Value" Display Upper limit value exceeded not overshot Lower limit value Display Fallen below Fallen below Limit Display exceeded not overshot/undershot Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 322 Depending on the setting in menu " Value" Display Upper limit value exceeded not overshot Lower limit value Display Fallen below Fallen below Limit Display exceeded not overshot/undershot Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 323 Depending on the setting in menu " Value" Display upper limit value (21-22-24) exceeded not overshot Display lower limit value (11-12-14) not undershot Fallen below Display Limit overshot (21-22-24) not overshot/undershot undershot (11-12-14) SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 324 Depending on the setting in menu " Value" Display Upper limit value exceeded not overshot Display Lower limit value not undershot Fallen below Display Limit exceeded not overshot/undershot Fallen below SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 325: Index
Cos phi monitoring Accessories - 3RR2 current monitoring relays 3UG4641 cos phi and active current monitoring Sealable cover, 241 relay, 217 Terminal support for stand-alone assembly, 242, Current monitoring principle, 287 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 326 3RR22 current monitoring relays, 61 3UG4581-2AW31 insulation monitoring 3UG4501 filling level monitoring relay, 72 relay, 158 3UG4511 line monitoring relay, 83 3UG4582-1AW30 insulation monitoring 3UG4512 line monitoring relay, 87 relay, 170 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 327 Menu-based operation, 44 3UG4513 line monitoring relay, 94 Minimum clearance 3UG4581 insulation monitoring relay, 163 3RR2 current monitoring relays, 32 3UG4582/3UG4583 insulation monitoring relays, 188 3UG4614 line monitoring relay, 100 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 328 Connection cross-sections, 23 relay, 203 Screw-type connections, 23 Sealable cover, 246, 266, 267 3RR2 current monitoring relays, 241 Sensor sensitivity, 288 Voltage asymmetry, 281 Setting, 44 Voltage reducer module, 267, 272, 273 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 329 Index Warning threshold for overshoot, 283 Warning threshold for undershoot, 283 Wire-break monitoring 3UG4621/3UG4622 current monitoring relays, 121 SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...
Page 330 Index SIRIUS 3UG4 / 3RR2 monitoring relay Equipment Manual, 07/2021, NEB927043002000/RS-AD/005...

This manual is also suitable for:

Sirius 3rr2

Siemens SIRIUS 3UG4 Equipment Manual

Quick Links

Related Manuals for Siemens SIRIUS 3UG4

Summary of Contents for Siemens SIRIUS 3UG4