ABB VM1 Instruction Manual page 29

Vacuum circuit-breaker
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1.2
7
5
35.4
Figure 9/17:
Front of circuit-breaker with indicators and controls.
1.1
Front plate
1.2
Bore for handling, both sides
2
„READY" lamp
3
ON push-button
4
OFF push-button
5
Mechanical operating cycle counter
6
Mechanical position indicator
7
Rating plate
8
Recess for emergency manual opening lever
35
Withdrawable assembly
35.2
Square spigot for hand crank 38
35.3
Sliding handle
35.4
Catch
36.1
Control wiring plug
Figure 9/19:
Emergency manual switch-off of a VM1 circuit-breaker
with the panel door closed, example.
8
Recess for emergency manual opening lever
28
Emergency manual opening lever
35.2
Square spigot for hand crank 38
36.1
8
1.1
2
3
6
4
35
35.3
35.2
Figure 9/18
Emergency manual switch-off.
8
28
Figure 9/20:
Emergency manual opening lever.
28
29
8
28
35.2
Figure 9/21:
Moving the circuit-breaker on a withdrawable part between
the test/disconnected position and the service position;
clockwise up to the stop for the service position and anti-
clockwise for the test/disconnected position. Example of
a panel.
38
Instruction manual 504/05 | VM1 Vacuum circuit-breaker 29
Recess for emergency manual opening lever
Emergency manual opening lever
Emergency manual opening lever
Spring to secure the opening capacity
Hand crank
8
28
29
28
38

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