ABB VM1 - Page 5

Instruction manual 504/05 | VM1 Vacuum circuit-breaker 5
Contents Page
6 Commissioning/Operation 12
6.1 Note on safety at work 12
6.2 Preparatory activities 12
6.3 Earthing 13
6.4 Movement of the withdrawable breaker part 13
6.4.1 Manual insertion from the test/disconnected position to the service position 13
6.4.2 Manual withdrawal from the service position into the test/disconnected position 13
6.4.3 Motor-driven movement of the withdrawable part 13
6.4.4 Withdrawal from the test/disconnected position onto the service truck 14
6.4.5 Insertion from the service truck into the test/disconnected position 14
6.5 Circuit-breaker operation 14
7 Maintenance 15
7.1 General 15
7.2 Inspection and functional testing 16
7.2.1 Circuit-breaker in general 16
7.2.2 Magnetic actuator operating mechanism 16
7.2.3 Lock and release device withdrawable assembly 16
7.3 Servicing 16
7.3.1 Circuit-breaker in general 16
7.3.2 Magnetic actuator operating mechanism 16
7.3.3 Breaker pole 17
7.4 Repair 17
7.4.1 Repair of surface damage 17
7.4.2 Replacement of components 18
7.5 Tests on withdrawable parts withVM1 type circuit-breaker 18
7.5.1 Motor-driven withdrawable parts 18
7.5.2 Checking the auxiliary switch settings on withdrawable parts 18
7.5.3 Checking the direction of rotation of the travel motors on motor-driven withdrawable parts 18
7.5.4 Checking of interlock conditions 19
7.6 Spare parts, auxiliary materials, lubricants 19
7.6.1 Spare parts 19
7.6.2 Auxiliary materials and lubricants 20
8 Application of the X-ray regulations 21
9 Figures 22
10 Technical data 32
10.1 Technical data, general 32
10.1.1 Technical data for Control electronics 32
10.1.2 Technical data for AC/DC converter 32
10.1.3 Permissible number of vacuum interrupter operating cycles 33
10.2 Technical data Circuit-breakers for fixed installation 35
10.2.1 Performance data and weights 35
10.2.2 Dimensions 37
10.3 Technical data Circuit-breakers on withdrawable part 40
10.3.1 Performance data and weights 40
10.3.2 Dimensional drawings 42
10.3.3 Wiring diagrams for C.B. on withdrawable part 48
11 Comparison of designations to IEC 61346-1 / 61346-2, IEC 81346-1 / 81346-2 and VDE-DIN 40719 Part 2 52
BA 504-05 GB_29102012.indd 5 30.10.12 13:44