ABB L5272 Manuals

Manuals and User Guides for ABB L5272. We have 1 ABB L5272 manual available for free PDF download: Installation And Service Instructions Manual

ABB L5272 Installation And Service Instructions Manual (66 pages)

Low voltage air circuit-breakers

Brand: ABB | Category: Industrial Electrical | Size: 5.19 MB

Table of Contents
3
Description
5
General Characteristics
5
External Front View of the Circuit-Breaker
5
Rating Plate
5
Circuit-Breaker Rating Plate
5
Moving Part Construction Characteristics
6
Fixed Part Construction Characteristics
6
Checking on Receipt
7
Storage, Lifting and Weights
7
Installation
8
Installation Room
8
Installation of the Fixed Circuit-Breaker
8
Installation of the Fixed Part of the Withdrawable Circuit-Breaker
8
Preparation of the Fixed Part
8
Installation of the Fixed Part (Fig. 12)
9
Installation of the Flange on the Compartment Door (Fig. 13)
9
Electrical Connections
10
Connections to the Power Circuit
10
Shapes of the Terminals
10
Examples of Positioning the Connection Busbars According to the Types of Terminals
10
Assembly Procedure for the Connection Busbars
11
Earthing
11
Wiring the Circuit-Breaker Auxiliary Circuits
11
Interfacing Elements for Fixed Circuit-Breakers
11
Withdrawable Circuit-Breaker
12
Conversion of the Auxiliary Contacts or of the Signalling Contacts (Disconnected - Test Isolated - Connected), from Normally Closed (Opening) to Normally Open (Closing) or Vice Versa
12
Putting into Service
14
General Procedures
14
Instructions for Use
15
Operating and Signalling Parts
15
Circuit-Breaker Closing and Opening Procedures
16
Racking-In/Out Operation
17
Maintenance
19
Warning
19
Maintenance Programme
19
Circuit-Breaker Life
19
Maintenance Program
19
First Level Maintenance Operations
19
Preliminary Operations
19
Checks and General Cleaning
19
Circuit-Breaker Connections and Connections between the Circuit-Breaker and the Control Panel
20
Dismantling Tab and Cap
20
Mechanical Control
21
Electrical and Mechanical Accessories
21
Protection Releases
21
Test with Ekip Connect (Optional)
21
Maintenance Operations; Final Checks
22
Interlock
22
Second Level Maintenance Operations
22
Preliminary Operations
22
General Checks and Cleaning
22
Connections between the Circuit-Breaker and the Control Panel
23
Dismantling the Tab, Cap and Arcing Chambers
23
Mechanical Control
24
Electrical and Mechanical Accessories
24
Checking Contact Wear
25
Protection Releases
25
Test with Ekip Connect (Optional)
25
Maintenance Operations; Final Checks
26
Interlock
26
Withdrawable
26
Measures to be Taken for any Operating Anomalies
27
Accessories
28
Electrical Accessories
28
Mechanical Locks
30
Notes for Emax LTT Low Temperature Accessories
31
Spare Parts and Retrofitting
31
Protection Releases - General Notes
32
Notes for Dielectric Stiffness Tests
32
Abbreviations and Notes
33
Abbrevations
33
Notes
33
SACE PR122/VF Release - Identification
34
General
34
Main Features
34
Standard Reference
34
Operation Condition
34
Environmental Condition
34
Power Supply Specifications
35
User Interface
35
Leds
35
Display
36
Ammeters on Display
36
CB and Trip Unit Error
36
Working ICON
37
Push Button
37
Rating Plug
37
Optional Module
37
External Module
37
User Menu
37
Main Area
38
Menu Area
38
Changing of Parameters
38
Protections
38
L Protection
39
I Protection
39
T Protection
39
Load Protection
40
Trip Performances and Activation Time
40
Curves
41
Measurements
41
Trip
41
Events
41
Measurements
42
Contact Wear
42
Settings
42
Circuit Breaker
42
HW Trip
42
Modules
43
Datalogger
43
Measure Store Time
44
System
44
Display Contrast
44
Test
44
CB Status
44
Autotest
44
Trip Test
44
COM Module
44
SIGNALLING Module
45
About this Section
45
Modules
45
Pr120/D-M
45
Pr120/K
45
Digital Input
45
Output Contact
46
Pr030/B
46
Bt030-Usb
46
Ekip T&P
47
Ekip Connect
47
Default Settings
48
Help
48
Error Messages
48
Troubleshooting
49
Overall Dimensions
50
Circuit Diagrams
57
Caption
57
Description of Figures
58
Incompatibilities
58
Notes
58

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ABB L5272 Installation And Service Instructions Manual (66 pages)

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