ABB VM1 - Page 51

Instruction manual 504/05 | VM1 Vacuum circuit-breaker 51
-MS Supply voltage
-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)
-DO3 OFF-Signal (NOC) (Full version)
-DC2 ON-Signal (NOC) (Full version)
See page 52 for comparison of IEC/VDE designations.
Mode of presentation:
1)
Connection exists when auxiliary switches -BB1 and -BB3 are not used
2)
Full version
Figure 10/13: Wiring diagram for VM1 vacuum circuit-breaker on motor-
driven withdrawable assembly.
- Maximum of equipment
- Control wiring plug 64-pole
- Use in panel system ZS8.4
BA 504-05 GB_29102012.indd 51 30.10.12 13:45