ABB VD4 Series Instruction Manual

4 ABB Power Distribution
Contents Page
1 Summary 5
1.1 General 5
1.2 Standards and specifications 5
1.2.1 Switchgear manufacture 5
1.2.2 Installation and operation 5
1.3 Operating conditions 5
1.3.1 Normal operating conditions 5
1.3.2 Special operating conditions 5
2 Technical data 6
2.1 Technical data 6
circuit-breakers
2.2 Technical data 7
releases and blocking magnet
2.3 Technical data 7
motor-operated mechanisms
2.4 Permissible number of switching 7
operations in relation to breaking current
2.5 Dimensions 7
3 Structure and function 9
3.1 Structure of the breaker poles 9
3.2 Structure of the breaker operating 9
mechanism
3.2.1 Releases, blocking magnet 9
and auxiliary switches
3.3 Function 10
3.3.1 Charging of the spring energy store 10
3.3.2 Closing procedure 10
3.3.3 Opening procedure 10
3.3.4 Autoreclosing sequence 10
3.3.5 Quenching principle of the 10
vacuum interrupter
4 Despatch and storage 13
4.1 Condition on delivery 13
4.2 Packaging 13
4.3 Transport 13
4.4 Delivery 13
4.5 Intermediate storage 13
Contents Page
5 Installation 14
6 Commissioning/Operation 14
6.1 Note on safety at work 14
6.2 Preparatory activities 14
6.3 Operation of the circuit-breaker 14
6.3.1 Charging the spring energy store 14
6.3.2 Closing and opening 15
6.3.3 Operating sequence 15
6.3.4 Run-on block 16
7 Maintenance 17
7.1 General 17
7.2 Inspection and functional testing 17
7.2.1 Switching devices in general 17
7.2.2 Stored-energy spring mechanism 17
7.2.3 Breaker pole 17
7.3 Servicing 18
7.3.1 Switching devices in general 18
7.3.2 Stored-energy spring mechanism 18
7.3.3 Breaker pole 18
7.4 Repair 19
7.4.1 Replacement of circuit-breaker parts 19
and accessories
7.4.2 Touch up of surfaces 19
7.5 Spare parts and auxiliary materials 19
7.5.1 Spare parts 19
7.5.2 Auxiliary materials 20
8 Application of the 23
X-ray regulations
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© ABB Calor Emag Mittelspannung GmbH, 2000

ABB VD4 Series Specifications

General

Brand	ABB
Model	VD4 Series
Category	Circuit breakers
Language	English