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3RV1 circuit breakers
SIRIUS System Manual
2-30
GWA 4NEB 430 0999-02b
The extension shaft must then be remounted on the circuit breaker and the
rotary switch extension for the door as follows:
Security
When the rotary switch is in the OFF position, it can be secured with up to 3
padlocks (e.g. during maintenance work on the system).
Figure 2-17: Locking the rotary switch extension for the door
Drawing
Procedure
1
Switch the circuit
breaker off, and turn the
rotary switch on the
door to OFF.
2
Put the cap of the
extension shaft on the
rotary switch of the cir-
cuit breaker, and put the
extension shaft in the
cap.
3
Close the cubicle door.
Table 2-11: Mounting the extension shaft
1
3
2
1
1
2
Max
.
ø 8 mm