Table Of Contents - Allen-Bradley 140G-R Installation Instructions Manual

Index
Important User Information .................................................... 3
1 Description ................................................................. 4
1.1 General characteristics ......................................................... 4
1.2 External front view of the circuit breaker .............................. 4
2 Inspect Packaging ..................................................... 4
3 Storage, lifting and weights ..................................... 4
4 Installation .................................................................. 5
4.1 Installation conditions .......................................................... 5
4.2 Installation of door interlock (factory supplied option) ......... 5
4.3 Installation of the escutcheon for fl ush mounted (to door)
applications ......................................................................... 6
4.4 Heat sink installation (3000A 100% rated only).................... 6
4.5 Mechanical Door Interlock operating instruction (factory
supplied option) .................................................................... 7
4.5.1 Normal operating conditions (interlock armed) ................... 7
4.5.2 Defeating the interlock for service operations ...................... 7
4.5.3 Coils support maintenance .................................................. 7
5 Electrical connections ................................................ 8
5.1 Power circuit connections .................................................... 8
5.1.1 Shapes of the terminals ........................................................ 8
5.1.2 Examples of connection busbar layouts depending on the
types of terminals ................................................................ 8
5.1.3 Assembly procedures for the busbar connection ................ 9
5.2 Control circuit and fi eld wiring .............................................. 9
6 Commissioning the MCCB ...................................... 10
6.1 General procedures ............................................................ 10
7 Instructions for use .................................................. 11
7.1 Operating and signalling components .............................. 11
7.2 Circuit breaker closing and opening procedures ............... 11
DIR 1000682R0002 Version 03
8 Maintenance ............................................................ 13
8.1 Warnings ............................................................................ 13
8.2 Maintenance program ........................................................ 13
8.2.1 Circuit breaker life .............................................................. 13
8.2.2 Maintenance program ....................................................... 13
8.3 First Level maintenance operations ................................... 14
8.3.1 Preliminary operations: ....................................................... 14
8.3.2 General inspections and cleaning: ..................................... 14
8.3.3 Circuit breaker connections and connections between
circuit breaker and switchboard ......................................... 14
8.3.4 Circuit-breaker Cover and Side Guards disassembly ........ 14
8.3.5 Mechanical operating mechanism ..................................... 15
8.3.6 Electrical and mechanical accessories .............................. 15
8.3.7 Trip Unit Operation ............................................................. 15
8.3.7.1 Test Menu ........................................................................... 15
8.3.7.2 Autotest .............................................................................. 15
8.3.7.3 Trip test ............................................................................... 15
8.3.7.4 MM test .............................................................................. 16
8.3.8 Maintenance Operations: Final Inspection ......................... 16
8.4 Second Level maintenance operations .............................. 17
8.4.1 Warnings: ........................................................................... 17
8.4.2 General inspections and cleaning: ..................................... 17
8.4.3 Circuit breaker connections and connections between
circuit breaker and switchboard ......................................... 17
8.4.4 Circuit-breaker Cover and Side Guards disassembly ........ 17
8.4.5 Mechanical operating mechanism ..................................... 18
8.4.6 Electrical and mechanical accessories .............................. 19
8.4.7 Trip Unit Operation ............................................................. 19
8.4.7.1 Test Menu ........................................................................... 19
8.4.7.2 Autotest .............................................................................. 19
8.4.7.3 Trip test ............................................................................... 19
8.4.7.4 MM test .............................................................................. 19
8.4.8 Maintenance operations; fi nal inspections ......................... 20
9 Troubleshooting Table .............................................. 21
10 Accessories .............................................................. 22
10.1 Electrical accessories ......................................................... 22
10.2 Mechanical locks ................................................................ 23
11 Trip Unit References ................................................. 24
11.1 Safety notes ....................................................................... 24
11.1.1 Notes for dielectric strength tests ...................................... 24
12 Overall dimensions .................................................. 25
13 Circuit diagrams ....................................................... 32
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