Related Manuals for Siemens SBA 800
Summary of Contents for Siemens SBA 800
- Page 1 SB Encased Systems Breakers 400-2000 Ampere Frame Ratings Information and Instruction Guide Manual No. SG- Courtesy of NationalSwitchgear.com...
- Page 2 It does not relieve the user of responsibility to use sound practices in application, installation, operation, and maintenance of the equipment purchased. Siemens reserves the right to make changes in the specifications shown herein or to make improvements at any time without notice or obligations. Should a conflict arise between the general information contained in this publication and the contents of drawings or supplementary material or both, the latter shall take precedence.
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Page 3: Table Of Contents
400-2000 Amp SB Encased Systems Breakers Table of Contents Page Page General Information Internal Accessories Introduction Preliminary Installation Procedures 36-37 Frame Sizes and Frame Ratings Electric Motor Operator 38-47 Rating Plugs Local Electric Close Interruption and Short Time Ratings Remote Close Assembly 48-51 Overcurrent Protection Configurations Auxiliary Switches... -
Page 4: General Information
Introduction The circuit breakers are constructed for either fixed or Siemens SB Encased Systems Breakers bridge the perfor- drawout installation. They can be physically grouped in mance gap between Molded Case Circuit Breakers (MCCB) central distribution switchboards, or used separately in stand- and Low Voltage Power Circuit Breakers (LVPCB). -
Page 5: Frame Sizes And Frame Ratings
3 (three) sizes range from 400 amperes to 2000 amperes. Overcurrent Protection Configurations Frame Sizes and Ratings Combinations Siemens Electronic Trip Units for SB breakers are available Breaker Breaker in six basic overcurrent protection configurations to meet... -
Page 6: Description
Description In addition to the performance achieved by combining the struction. The electrical insulation property of the thermoset MCCB and LVPCB technologies, several installation, opera- material enhances the safety of operation. The insulated case tion, and safety features have been incorporated into the SB physically isolates and electrically insulates the user from the breakers. -
Page 7: Compact Size
Dimensions section, pages 82-93. 2000 ampere breakers in a standard Possible number of 800A and 2000A Frame Sizes in a 90- Example: Six 800A Siemens SB Encased Systems Breakers inch Switchboard can be stacked in a 90-inch switchboard Courtesy of NationalSwitchgear.com... -
Page 8: Bus Spacing And Connections
Description Bus Spacing and Connections Centralized Controls Specific installation features of the SB breakers include 5- The manual charging handle, pushbutton control switches, inch pole spacing, and vertical or horizontal bus connections. and color-coded indicators are grouped in the central es- The 5-inch pole spacing allows for a standard bus connection cutcheon on the front cover. -
Page 9: Simplified Minimum Depth Drawout Mechanism
Description position the moveable drawout element is disengaged from Stationary and Moveable Drawout Elements the racking mechanism. The moveable drawout element can Simplified Minimum Depth Drawout Mechanism The two be easily pulled between the unlocked position and the elements of a drawout constructed SB Encased Systems withdrawn position. -
Page 10: Electronic Trip Unit
Description Electronic Trip Units For Siemens SB Encased Systems Breakers Additional optional features include: Information Display Module for local current monitoring (field addable) The Electronic Trip Unit is a microprocessor controlled multi- Zone Selective Interlocking function overcurrent protective device for application with... -
Page 11: Frame Installation Instructions
Frame Installation Instructions Stationary Drawout Element General Instructions Installation instructions for systems breakers, trip units, and rating plugs are presented in this section. Installation instruc- tions for accessories that may be installed in the field are presented in the Accessories section. Installing Drawout Constructed SB Breakers Drawout constructed SB breakers are designed to be in- stalled from the front into a switchboard with a minimum... -
Page 12: Installing The Moveable Drawout Element
Frame Installation Instructions Moveable Drawout Element Installing the Moveable Drawout Element The outline drawing of the moveable drawout element for the 800A and 1200A frame is located on pages 84-85. The outline drawing of the moveable drawout element for the 2000A frame envelope is located on pages 88-89. -
Page 13: Installing Fixed - Mounted Circuit Breakers
Frame Installation Instructions Moveable Drawout Element and Fixed-Mounted SB Breakers To properly engage the moveable drawout element with the racking mechanism, the crank pins on the sides of the moveable drawout element must be in the “unlocked’’ position as illustrated and the interlock lever is in the “up’’ position. -
Page 14: Installing The Electronic Trip Unit
Electronic Trip Unit NOTE: For more complete information on other stan- dard and optional features of the Electronic Trip Unit, see Siemens Electronic Trip Unit for Type SB Circuit Breakers Information and Instruction Guide, Bulletin 2.20-3A. CAUTION: Do not attempt to install a trip unit with the breaker “Closed”... - Page 15 Installation Instructions Electronic Trip Unit scheme . Before attempting to install the trip unit, check the label on the side of the unit to make sure that it is the proper unit for the SB breaker. A built-in rejection scheme will prevent the installation of a trip unit into a breaker for which it is not intended.
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Page 16: Inserting/Removing Rating Plug
Installation Instructions Electronic Trip Unit and Rating Plug CAUTION: Do not attempt to install a rating plug with the breaker “Closed” or “Charged”. Make certain breaker is “Open” and “Discharged” as shown above. Personal injury or mechanical damage may occur. 8.) Replace circuit breaker front cover Check to see that the breaker is open before inserting or removing a rating plug. - Page 17 Installation Instructions Rating Plug CAUTION: Do not attempt to force an improper rating plug into a trip unit, mechanical damage may occur. To prevent the insertion of a rating plug into a trip unit for which it is not intended, the receptacle in the trip unit has been keyed to reject improper rating plugs.
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Page 18: Operating Instructions
Operating Instructions Part One - Operating the SB Encased Systems Breaker General Instructions Operating the SB Breaker The instructions for charging the stored energy mechanism, The SB breaker controls and charging handle for the stored closing and opening the breaker, and positioning and rotating energy mechanism are located in the central escutcheon of the moveable drawout elements of the drawout-constructed the front panel. -
Page 19: Manually Charging The Stored Energy Mechanism
Operating Instructions Part One - Operating the SB Encased Systems Breaker To manually charge the stored energy mechanism, pull the charging handle. Four or five full strokes, or several partial strokes are required to fully charge the stored energy mecha- nism. -
Page 20: Discharging The Stored Energy Mechanism
Operating Instructions Part One - Operating the SB Encased Systems Breaker Discharging the Stored Energy Mechanism Closing the SB Breaker Locally Without Closing the SB Breaker Before the breaker can be closed, the stored energy mecha- nism must be fully charged and all of the closing-prevention Discharging the energy in the stored energy mechanism devices (and accessories) must be in the non-inhibiting state without closing the SB breaker creates an abnormally high... -
Page 21: Part Two - Manipulating The Moveable Drawout Element
Operating Instructions Part Two - Manipulating the Moveable Drawout Element position and the withdrawn position. Physically, the unlocked Manipulating the Moveable Drawout Element position and test position are the same. However, in the There are four positions of the moveable drawout element. unlocked position, the moveable drawout element is disen- These four positions are defined as Connected, Test, Un- gaged from the interlock mechanism. -
Page 22: Racking Controls
Operating Instructions Part Two- Manipulating the Moveable Drawout Element Directional Shift Lever The directional shift lever determines the direction the mov- able drawout element will move when it is racked. The lever has three positions: racking-out, neutral, and racking-in. When the lever is in the racking-out position (pulled all the way out), the moveable drawout element may be racked from the connected position to the test position, and from the test position to the unlocked position. -
Page 23: Racking Pump Handle
Operating Instructions Part Two - Manipulating the Moveable Drawout Element Racking Pump Handle Drawout Position Indicator A low-force pump handle is used to rack the moveable A color-coded indicator displays the position of the moveable drawout element. The pump handle is an integral part of the drawout element: connected (red), test (yellow), and un- racking mechanism, eliminating the need for an auxiliary locked (yellow). -
Page 24: Fully Withdrawn And Unlocked Position
Operating Instructions Part Two - Manipulating the Moveable Drawout Element Fully Withdrawn and Unlocked Positions To move the move- able drawout element from the fully withdrawn position to the unlocked position, push toward the bus connections until the moveable drawout element hits a solid stop. The secondary disconnects on both sides of the moveable and stationary drawout elements will mate as the moveable drawout ele- ment moves into the unlocked position. -
Page 25: Unlocked To Test Position
Operating Instructions Part Two - Manipulating the Moveable Drawout Element Unlocked Position to Test Position Racking the moveable drawout element from the unlocked position to the test position engages the moveable drawout element with the stationary drawout element. The physical position of the moveable drawout element will be unchanged. -
Page 26: Test To Connected Positions
Operating Instructions Part Two- Manipulating the Moveable Drawout Element Test Position to Connected Position To rack the moveable drawout element from the test position to the connected position: 3.) Pump the racking pump handle until the moveable drawout element is in the connected position. 1.) Set the directional shift lever to the racking-in position. -
Page 27: Connected To Test Position
Operating Instructions Part Two - Manipulating the Moveable Drawout Element Connected Position to Test Position To rack the moveable drawout element from the connected position to the test position: Check to ensure that the SB breaker is open (if the breaker is closed and the interlock lever is moved to the interlock disengaged position, the breaker will trip). -
Page 28: Test To Unlocked Position
Operating Instructions Part Two - Manipulating the Moveable Drawout Element Test Position to Unlocked Position Racking the moveable drawout element from the test posi- tion to the unlocked position disengages the moveable drawout element from the stationary drawout element. The physical position of the moveable drawout element will be unchanged. -
Page 29: Rotating The Moveable Drawout Element
Operating Instructions Part Two- Manipulating the Moveable Drawout Element Rotating the Moveable Drawout Element For inspection purposes, the moveable drawout element can be rotated on the extension rails. Clearances required to rotate the moveable drawout element are on drawings located in the Outline Dimension Drawing section. Note that the moveable drawout element is designed to be rotated only in the illustrated direction. -
Page 30: Part Three - Monitoring The Electronic Trip Unit
This may cause inadvertent tripping of the breaker if the adjustment is made with the breaker in the closed position. Therefore, Siemens recommends that all adjust- ment changes be made with the breaker open. To set an adjustment, place a slotted screwdriver onto the point-to-point adjustment switch and rotate the switch to the desired setting. - Page 31 Operations- Fault Protection Adjustments Trip Unit Current Shaping Adjustments (This curve is for illustration purposes only) Courtesy of NationalSwitchgear.com...
- Page 32 The Continuous ampere adjustment sets the current level at which the breaker will continuously operate without initiating a tripping sequence. On Siemens Electronic Trip Units, the continuous operating current may be set to 50, 60, 65, 70, 75, 80, 85, 90, 95, and 100% of the rating plug value I...
- Page 33 Short Time Pickup adjustment. There are two modes of operation of this adjustment on all Siemens Electronic Trip Units; one is a fixed delay, the other is an inverse 1 t ramp delay. The 1 Delay has the characteristic of being inversely proportional to the square of the magnitude of the overcurrent condition.
- Page 34 Non-delayed tripping, as a result of a severe Discriminator Circuit (Making Current Release) overcurrent condition, minimizes potential damage to electri- cal systems and equipment. On Siemens Electronic Trip This circuit overrides the short time delay function should the Units, the Instantaneous Pickup adjustment may be set to breaker attempt to close into a faulted system, tripping the 1.5, 2, 3, 4, 5, 6, 7, 8, 10, or 12 times I...
- Page 35 . There are two modes of operation of this adjustment for Siemens Electronic Trip Units; one is a fixed delay and the other is an inverse I ramp delay.
- Page 36 The following are brief descriptions of the ground fault by the trip unit and used in the execution of the ground fault sensing schemes as they relate to the Siemens Electronic protection function. Trip Unit. Detailed technical and application information of the ground fault sensing schemes is contained in NEMA Stan- Source Ground.
- Page 37 Indicator indicates that the test is complete, a more extensive When a fault occurs, the fault information is stored in the trip test should be run with Siemens TS-31 Universal Test Kit (see unit by latching the appropriate red LED fault indicator to the Accessories).
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Page 38: Internal Accessories
Therefore it is Siemens’ recommendation that all accessories be installed utilizing the instruction information accompanying the accessory. Courtesy of NationalSwitchgear.com... - Page 39 Internal Accessories Preliminary Installation Procedures 3.) Remove the breaker cover by first removing the (4) #10 Phillips head screws at the corners and the (4) head screws in recesses in cover. 5.) Remove the trip unit if installed. by removing trip unit retaining screw.
- Page 40 Accessories and moving elements. The full family of accessories available for Siemens SB breakers are presented in this section. The accessories are SB Drawout Breaker Preparation divided into two groups: accessories that are installed in the...
- Page 41 Internal Accessories Preparation For Installation of Electric Motor Operator SB Breaker Cover Removal (See page 37, steps 3 and 4) NOTE: When placing the drawout removable element on a workbench, ensure that the plug-in finger clusters are not supporting the weight of the breaker. Removal of Left and Right Drawout Mechanism Assemblies To remove the crankshaft:...
- Page 42 Internal Accessories Preparation For Installation of Electric Motor Operator 5.) Install the bar cap pins through the bar caps and left and right mechanism assemblies with the head of the pins toward the center of the breaker. 3.) Install the crankshaft assembly by positioning the crank- pin anywhere between the unlocked and connected positions as shown and lowering the crankshaft to the 6.) Install an E-ring on each bar cap pin.
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Page 43: Electric Motor Operator
Internal Accessories Electric Motor Operator Electric Motor Operator Kit Electric Motor Operator An electric operator provides for electric charging of the springs of the stored energy mechanism, remote closing, spring charging status indication, latch checking, and anti- pump functions. The standard wiring scheme of the electric operator is such that the springs are automatically recharged after each closing operation. - Page 44 Internal Accessories Electric Motor Operator 5.) Locate the Remote Close Solenoid. Remove the Handle 3.) Install the Motor Operator Assembly on the mechanism Check Switch from the Solenoid Bracket. Mount the plate with the three #10 x l/4' screws. Align the keyway Remote Close Solenoid to the mechanism plate.
- Page 45 Internal Accessories Electric Motor Operator 9.) Install the Electric Motor Controller (ECMC Assembly) to 7.) Adjust the switch while holding the Actuator against the the Motor Operator Assembly with the four #6-32 x l/4" switch body. Adjust the switch so that there is .11-12 screws and #6 lockwwashers.
- Page 46 Internal Accessories Electric Motor Operator Mounting of “B” Switch 10.) Connect the MTR-Connector and the Fuse Connector to the Motor and Fuse Holder. Connect the RC+ Con- nector and RC- Connector to the Remote Close Sole- noid. 11.) Install the “B” Switch assembly on the reset mechanism assembly.
- Page 47 Internal Accessories Electric Motor Operator 18.) Before replacing the breaker cover remove the fuse hole plug from the inside of the cover as illustrated above. 14.) Re-install the side plate mechanism assemblies if they Also cut out the “Fuse not installed” area of the rating had been removed.
- Page 48 Internal Accessories Electric Motor Operator 11. #6-32 UNC-2B x 1/4' PHMS Legend 12. #4-40 UNC-2B x 1/2" PHMS 1. Motor Operator Assembly 13. #6 Lockwasher 2. Remote Closing Solenoid Switch 14. #6-32 UNC-2B x 1/4" PHMS 3. Connector Strip 15. #6-32 UNC-2B x 1/4" Type F CPHS 4.
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Page 49: Local Electric Close
Internal Accessories Electric Motor Operator and Local Electric Close A charging status indication (contact accessible at terminal Local Electric Close point <LT4>) provides the capability to remotely monitor the The local electric close allows the user to electrically interlock stored energy mechanism . The contact is “on” if the springs a local closing operation. -
Page 50: Remote Close Assembly
Internal Accessories Remote Close Assembly For preliminary installation procedures review procedures 3.) Attach the remote close assembly to the mechanism outlined on pages 36 and 37. plate using the (2) # 10 screws provided. The assembly is aligned by a set-out in the mechanism plate that fits in 1.) Remove the rubber band from the solenoid plunger. - Page 51 Internal Accessories Remote Close Assembly 5.) Install the latch check switch assembly (see Figure 2). Secure the latch check switch assembly to the mecha- nism plate using (2) #6 screws provided. Do not tighten screws until the latch check switch assembly is properly adjusted.
- Page 52 Internal Accessories Remote Close Assembly Figure 5. Mounting Of Remote Close Accessory and Wire Routing 15. Apply remote close accessory label to side of the 13. Route and tie wires as shown in Figure 6. breaker cover. Mark label on the opposite side of the cover to indicate that the remote close has been in- 14.
- Page 53 Internal Accessories Remote Close Assembly Remote Close Schematic 16. Replace the breaker cover. Check to ensure that wires exit the breaker through the wire guide and are not pinched by the breaker cover Torque #10 (corner) cover screws to 28-32 in.-lbs. Torque 1/4' cover screws to 68- 75 in.-lbs.
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Page 54: Auxiliary Switches
Internal Accessories Auxiliary Switches The auxiliary switches are installed on the right side of the front compartment, behind the trip unit and below the reset plate. CAUTION: Do not attempt to install an accessory with the breaker “Closed” or “Charged”. Make certain breaker is “Open”... - Page 55 Internal Accessories Auxiliary Switches 6.) Replace the front cover of the breaker, being careful not 5.) Secure the trip unit in place with the retaining screw to pinch wire leads routed to secondary disconnects or located at the top of the trip unit. Torque to 6-8 in. lbs. If terminal blocks.
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Page 56: Undervoltage Release
Internal Accessories Undervoltage Release (UVR) Solenoid If practical, the UVR should be installed prior to the SB breaker being installed in the switchboard. Before starting the instal- lation, the breaker should be in the open position and the stored energy mechanism should be discharged. A drawout constructed breaker, already installed in the switchboard, should be placed in the fully withdrawn position to allow access to the secondary disconnects. - Page 57 Internal Accessories Undervoltage Release (UVR) Solenoid 4.) Re-install the trip unit. Replace the front cover of the breaker, being careful not to pinch wire leads routed to secondary disconnects or terminal block. Secure with eight (8) Phillips head screws. Installation of the undervoltage release accessory is complete.
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Page 58: Shunt Trip
Internal Accessories Shunt Trip Figure 1. 6.) Place insulator between the “B” switch and the switch CAUTION: Do not attempt to install an accessory with mounting bracket, then secure the “B” switch with the the breaker “Closed” or “Charged”. Make certain breaker two #4-40 screws to the bottom holes on the switch is “Open”... - Page 59 Internal Accessories Shunt Trip Schematic Layout 10.) Replace trip unit and breaker front cover. being careful not to pinch wire leads routed to secondary disconnects or terminal block. (See Figure 6) 11.) Apply the shunt trip accessory label to side of the breaker cover (see Figure 7) Mark the label that is on the opposite side of the cover to indicate that the shunt trip has been installed.
- Page 60 Internal Accessories Electronic Bell Alarm - Display Module Relay CAUTION: Do not attempt to install an accessory with the breaker “Closed” or “Charged”. Make certain breaker is “Open” and “Discharged” as shown above. Personal injury or mechanical damage may occur. Preliminary installation procedures are outlined on pages 36-37.
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Page 61: Electronic Bell Alarm
Internal Accessories Electronic Bell Alarm Electronic Bell Alarm or Display Module Relay Schematic Drawing (only 1 device per breaker) Courtesy of NationalSwitchgear.com... -
Page 62: Remote Indicator Panel
2.) Connect the wires provided between the trip unit 36 pin connector and the External Terminal Block NOTE: To properly use the Siemens Remote Indicator Panel, the SB Circuit Breaker Trip Unit must be removed (See Instructions Pages 36-37) if previously installed. - Page 63 Internal Accessories Remote Indicator Panel The Remote Indicator Panel can be either panel mounted or Panel Mounting wall mounted. The intent is mounting versatility yet keeping all This style mounting is intended for surface use inside of the electrical connections within the switch board or panel. switchboard or panel.
- Page 64 Internal Accessories Remote Indicator Panel Relay Functions Ground Fault Sensing and Relaying System The relay outputs on this device can be used for wiring to When used with a Ground Fault Monitor Module (Cat. No. remote indicators. SBGFM) the Remote Indicator Panel may be used as a Ground Fault Sensing and Relaying system.
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Page 65: External Accessories
Before installing the display module, the breaker should be without tripping in accordance with NEC Article 700 placed in the open position. Section 700-26 is available. Consult Siemens Sales Office for further information. The display module is a plug-in unit. To install the module: 1. -
Page 66: Ground Fault Sensing And Relaying
External Accessories Ground Fault Sensing and Relaying This system will provide Class 1 ground fault protection as described in UL STANDARD 1053. GROUND-FAULT SENS- ING AND RELAYING EQUIPMENT. System Components UL Listed Circuit Breaker Components and Accessory Com- ponents 1. Circuit Breaker Table 2 2. - Page 67 External Accessories Ground Fault Sensing and Relaying Test Operation Each of the circuit breaker s front panel controls should be set GF Type Switch set to RESIDUAL to the highest setting. Set the Ground Fault Monitor to the LO Outgoing Circuit Method (if trip unit does not provide pickup on the .1 second delay band.
- Page 68 External Accessories Ground Fault Sensing and Relaying Courtesy of NationalSwitchgear.com...
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Page 69: Key Interlock
External Accessories Key Interlock and SB Breaker Padlock Device Key Interlock on SB Breaker Padlock Device on Breaker Key interlocks are often used to control local sequencing of A padlock device on the breaker allows the breaker to be breakers when multiple power sources are available for a padlocked in the open position, preventing the breaker from common load. -
Page 70: Drawout Padlock
External Accessories Drawout Padlock and Close Blocking Devices Padlock Device on Drawout Mechanism Closing Blocking Device on SB Breaker A padlock device on the drawout mechanism provides the A closing blocking device is used to prevent local closing of the means to padlock the moveable drawout element in the breaker under normal operating conditions. -
Page 71: Cell Switches
External Accessories Cell Switches “B” or “NC” contacts - Closed when the moveable drawout element is in the test, unlocked, or withdrawn position. Open when the moveable draw out element is in the connected position A maximum of four “A” and “B” cell switches may be installed in a breaker. -
Page 72: Drawout Safety Shutters
To install the safety shutters: CAUTION: Siemens recommends Shutter installation prior to placing Stationary Drawout Element into a switchboard or panelboard. 1.) Pull out two (2) stationary drawout rails. - Page 73 External Accessories Drawout Safety Shutters 3.) Install four (4) Shutter Rails (2 per each side). 6.) Install shutter springs (zinc silver spring is used for the top shutter, white springs are used for the bottom shutter). Installation of the bottom shutter is similar to the top. 7.) Push down on the top shutter and pull up on the bottom shutter to ensure that they will move freely in the tracks 4.) Slide top of shutter slide block into bottom of grooved top...
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Page 74: Secondary Disconnects
External Accessories Secondary Disconnects and Control Terminal Blocks CAUTION: Do not attempt to install an accessory with the breaker “Closed” or “Charged”. Make certain breaker is “Open” and “Discharged” as shown above. Personal injury or mechanical damage may occur. Control Terminal Block mounted on fixed-mounted breaker. Secondary Disconnects Control Terminal Blocks Secondary wiring connections to remote locations are made... -
Page 75: Sliding Secondary Disconnects
External Accessories Sliding Secondary Disconnects To install the secondary disconnects: Sliding Secondary Disconnects Sliding secondary disconnects provide electrical access to the internal accessories and trip unit of a drawout constructed 1 ) Engage Secondary Disconnect molded tabs into factory SB breaker. They are installed along the sides of the drawout formed slots as indicated. -
Page 76: Pressure Wire Connectors
External Accessories Pressure Wire Connectors “T” Connectors “T” Connectors “T” connectors are used to connect power buses to the SB breakers. The connectors are rotatable to allow for vertical or horizontal bus connections. Pressure Wire Connectors Pressure wire connectors are used to connect power cables to the SB breaker. -
Page 77: Neutral Sensing Transformer
External Accessories Neutral Sensing Transformer Introduction This neutral sensing transformer is designed to be mounted on a bus bar with maximum dimensions of 3.00" x .75". Neutral Sensing Transformer Neutral sensing transformers are used with 4-wire residual ground fault protection and ground source schemes. 1.) Turn off power feeding this device before starting the installation. - Page 78 External Accessories Neutral Sensing Transformer Important The SB series of electronic trip circuit breakers equipped with ground fault protection may be used in the Residual or Ground Return modes. When used in the Residual mode the orienta- tion of the neutral sensing transformer is important for proper operation.
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Page 79: Lifting Device Bracket
External Accessories Lifting Device Bracket CAUTION: SB breakers and Stationary Drawout Ele- ments are heavy. Personal injury or mechanical damage may occur if care is not used in lifting these pieces of equipment. Lifting Device Bracket A lifting device is used in conjunction with a hoist or crane to Connecting point of the lifting device lift a moveable drawout element. -
Page 80: Auxiliary Power Source
External Accessories Auxiliary Power Supply Auxiliary Power Supply The auxiliary power supply is a plug-in supply for bench testing the Electronic Trip Unit The supply may also be used to power the trip unit during the execution of a “go/no-go” type test before bringing the SB breaker on-line (see Monitoring the Trip Unit in the Operating Instructions section). -
Page 81: Universal Test Kit
ENTER. Entry of erroneous data in the above steps identifying turn-on message: will result in false tests and results. Siemens Energy & Automation, Inc. After entering the breaker switch settings, you must TS-31 Test Set. Press any key to continue. - Page 82 External Accessories Universal Test Kit (TS-31) Enter one of the following letters: and then for the phase to test. A message will then appear “A”—Phase A or Left Pole stating the test results. For example: “B”—Phase B or Center Pole CT Resistance Test.
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Page 83: Dead Front Shield
External Accessories Dead Front Shield Note: Accessory installation should be completed before the Check the dead front shield to insure that it is properly breaker is racked into the “Connected” position. If the secured. Tighten screws more if the dead front shield breaker is in the “Connected”... -
Page 84: Outline Dimension Drawings
Outline Dimension Drawing 800A Stationary Drawout Element 1200A Stationary Drawout Element Courtesy of NationalSwitchgear.com... - Page 85 Outline Dimension Drawing 800A Stationary Drawout Element 1200A Stationary Drawout Element Courtesy of NationalSwitchgear.com...
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Page 86: 1200A Moveable Drawout
Outline Dimension Drawing 800A Moveable Drawout Element 1200A Moveable Drawout Element Courtesy of NationalSwitchgear.com... - Page 87 Outline Dimension Drawing 800A Moveable Drawout Element 1200A Moveable Drawout Element Courtesy of NationalSwitchgear.com...
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Page 88: 2000A Stationary Drawout
Outline Dimension Drawing 2000A Stationary Drawout Element Courtesy of NationalSwitchgear.com... - Page 89 Outline Dimension Drawing 2000A Stationary Drawout Element Courtesy of NationalSwitchgear.com...
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Page 90: 2000A Moveable Drawout
Outline Dimension Drawing 2000A Moveable Drawout Element Courtesy of NationalSwitchgear.com... - Page 91 Outline Dimension Drawing 2000A Moveable Drawout Element Courtesy of NationalSwitchgear.com...
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Page 92: 1200A Fixed-Mounted
Outline Dimension Drawing 800A Fixed Mounted 1200A Fixed Mounted Courtesy of NationalSwitchgear.com... - Page 93 Outline Dimension Drawing 800A Fixed Mounted 1200A Fixed Mounted Courtesy of NationalSwitchgear.com...
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Page 94: 2000A Fixed-Mounted
Outline Dimension Drawing 2000A Fixed Mounted Courtesy of NationalSwitchgear.com... - Page 95 Outline Dimension Drawing 2000A Fixed Mounted Courtesy of NationalSwitchgear.com...
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Page 96: Ordering Information
Ordering Information Encased Systems Circuit Breakers and Electronic Trip Units Type SB Encased Systems Breaker Frames Alternate Interrupting Rating (To 85 A.l.R. (kA)) Breaker Type Fixed Mounted Drawout Breaker with Moveable Mechanism Stationary Drawout Mechanism Catalog Number Ampere Rating Frame Size Vertical Bus Catalog Horizontal Bus Catalog Vertical Bus Catalog... -
Page 97: Rating Plugs
Ordering Information Encased Systems Circuit Breakers and Electronic Trip Units (Continued) Electronic Trip Unit, 2000A Frame Catalog Number Frame Ampere Rating Continuous Current Long Time Delay Instantaneous Pickup Short Time Ground Fault Setting Pickup/Delay Pickup/Delay SB16TL 1600 SB16TLS 1600 SB16TLSI 1600 SB16TLIG 1600... -
Page 98: Internal Accessories
125VDC For Fix Mount Only SBEO125 SBDMR120 120V dc 125VDC For Drawout Only SBEO125D Time Delay Undervoltage Accessory Catalog Number Electric Operator With Close Coil Interlock Time Delay Undervoltage Consult Siemens Accessory Catalog Number 120VAC SBEO120CCX Drawout Safety Shutters 24VDC SBEO24CCX 48VDC SBEO48CCX Accessory... -
Page 99: External Accessories
SBBD Unit Capacitor Trip Accessory Catalog Number Accessory Catalog Number Auxiliary Power Source SBAPM Capacitor Trip Consult Siemens Universal Trip Unit Test Kit Cell Switches Accessory Catalog Number Test Kit TS31 Accessory Catalog Number UL Listings and File Numbers 1A & 1B CEL1 2A &... -
Page 100: Accessory Wiring Diagrams
Courtesy of NationalSwitchgear.com... - Page 101 Electrical Diagrams Courtesy of NationalSwitchgear.com...
- Page 102 Electrical Diagrams Courtesy of NationalSwitchgear.com...
- Page 103 Siemens Energy & Automation, Inc. Distribution & Controls Division 3333 State Bridge Rd. Alpharetta, GA 30202 Siemens is a registered trademark of Siemens AG. Bulletin 2.20-4C(Supersedes 2.20-4B) 994 Courtesy of NationalSwitchgear.com...