ABB VM1-T Manual page 26

V M 1 -T - VACUUM CIRCUIT BREAKER
26
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9. Figures
Figure 9/15b: Terminal diagram for circuit breaker for fixed installation (without plug wiring).
27 Circuit breaker controller
-Q0 Circuit breaker
Inputs:
-MS Supply voltage
-MU Switching command (OFF) (closed circuit)
-RL1 Closing lock-out (closed circuit)
-MO2 Switching command OFF 2 (open circuit)
-MO1 Switching command OFF 1 (open circuit)
-MC Switching command ON (open circuit)
Outputs:
-BB4 Fleeting contact (100 ms)
-DN NOT READY (NCC)
-DR READY (NOC)
-DC2 ON signal 2 (NOC)
-DO2 OFF signal 2 (NOC)
-DC1 ON signal 1 (NOC)
-DO1 OFF signal 1 (NOC)
See page 42 for comparison of IEC/VDE designations