10.3.3 Wiring Diagrams For C.b. On Withdrawable Part - ABB VM1 Instruction Manual

10.3.3 Wiring diagrams for C.B. on withdrawable part

Note:
The wiring diagrams comprise the basic com ponents and all fur-
ther equipment options for the various VM1 types. The scope of
48 VM1 Vacuum circuit-breaker | Instruction manual 504/05
equipment possible within an individual type series is listed in the
relevant switchgear list, and the euquipment fitted in each individ-
ual case can be found in the order documentation.
-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)
Note:
If the READY contact -DR is to be polled, the wiring dia-
gram of the panel should include the information that this
contact is already connected to blocking magnet -RL2 and
is therefore not isolated.
Figure 10/10: Wiring diagramm for VM1 vacuum circuit-breaker on
manually movable withdrawable assembly.
- Maximum of equipment
- Control wiring plug 58-pole
- Use in panel system ZS1, UniGear-Type ZS1, UniSafe,
Power-bloc and Mounting frame