ABB VM1 Instruction Manual page 50

50 VM1 Vacuum circuit-breaker | Instruction manual 504/05
-MS Supply voltage
-RL2 Blocking magnet for withdrawable part with rectifier -TR5
-RL1 Closing lock-out (closed circuit)
-MO1 Switching command OFF 1 (open circuit)
-MC Switching command ON (open circuit)
-MU Undervoltage release (closed circuit)
-MO2 Switching command OFF 2 (open circuit)
-BB1 Auxiliary switch on the actuating shaft
-BB3 Auxiliary switch on the actuating shaft
-BB4 Fleeting contact (100 ms)
-BT2 Limit switch for withdrawable part in test position
-BT1 Limit switch for withdrawable part in service position
-DR READY for operation (NOC)
-DN NOT READY for operation (NCC))
-DO1 OFF signal (NOC)
-DC1 ON signal (NOC)
-DO2 OFF-Signal (NOC) (Full version)
-DC2 ON-Signal (NOC) (Full version)
See page 52 for comparison of IEC/VDE designations.
Mode of presentation:
Connection exists when auxiliary switches -BB1 and -BB3 are not used
1)
Full version
2)
Figure 10/12: Wiring diagram for VM1 vacuum circuit-breaker on manu-
ally movable withdrawable assembly.
- Maximum of equipment
- Control wiring plug 64-pole
- Use in panel system ZS8.4