ABB VM1 User Manual

4 VM1 Vacuum circuit-breaker | Instruction manual 504/05
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ual – or extracts – to third parties is prohibited. The information supplied is without liability. Subject to alteration.
© ABB AG, 2012
Contents Page
1 Summary 6
1.1 General 6
1.2 Standards and specifications 6
1.2.1 Switchgear manufacture 6
1.2.2 Installation and operation 6
1.3 Operating conditions 6
1.3.1 Normal operating conditions 6
1.3.2 Special operating conditions 6
2 Structure 7
2.1 Structure of the operating mechanism 7
2.1.1 Structure of the control module 7
2.1.2 Storage capacitor 7
2.1.3 Sensor system 7
2.2 Structure of the breaker poles 7
2.3 Basic structure of the circuit-breaker on withdrawable part 8
3 Function 8
3.1 Function of the circuit-breaker operating mechanism 8
3.1.1 Magnetic actuator 8
3.1.2 Opening and closing procedure 8
3.1.3 Auto-reclosing sequence 8
3.1.4 Circuit-breaker controller 8
3.1.4.1 Function of the standard version 8
3.1.4.2 Extended functions in the full version 9
3.1.5 “READY“ lamp 9
3.1.6 Blocking magnet -RL2 9
3.2 Wiring diagrams for C.B. on withdrawable part 9
3.3 Quenching principle of the vacuum interrupter 9
3.4 Interlocks 10
3.4.1 Interlocks / protection against maloperation (for C.B. on withdrawable parts) 10
3.4.2 Interlocks for VM1 withdrawable parts 10
3.4.2.1 Interlocks when using ABB withdrawable assemblies are used 10
3.4.3 Interlocks when using non-original withdrawable assemblies are used 10
4 Despatch and storage 11
4.1 Condition on delivery 11
4.2 Packaging 11
4.3 Transport 11
4.4 Delivery 11
4.5 Intermediate 11
5 Installation and mounting of the breaker 12
BA 504-05 GB_29102012.indd 4 30.10.12 13:44

ABB VM1 Specifications

General

Brand	ABB
Model	VM1
Category	Circuit breakers
Language	English