Door Interlocking - ABB Uniswitch Operation And Maintenance Manual

3.5.3.2 Door interlocking

Door interlocks
ABB
Uniswitch Operation and
Maintenance Manual
Figure 3.11
Withdrawable type switchgear: Circuit-breaker compartment door locking
device.
The cubicles are equipped with the following door interlocks:
•
The apparatus compartment door cannot be opened if the circuit-
breaker is in service or in an undefined position.
•
The circuit-breaker & cable compartment door cannot be opened if
the earthing switch is open.
20
UNI S14GB 05-02