Operating the circuit-breaker panel
42 NXAIR / ≤ 40 kA 110-0134.9 / 14
Procedure
Pull door handle upwards and open the high-voltage door.
Fig. 49: Opening the high-voltage door of the circuit-breaker panel
The high-voltage door is open.
10.5 Closing the high-voltage door
Reduced safety
The closed high-voltage door is an important safety element of the switchgear.
The high-voltage door is exclusively open for performing operational activities
inside the switching-device compartment, such as removing or inserting a
withdrawable circuit-breaker / circuit-breaker truck.
Close the high-voltage door:
If an activity inside the switching-device compartment is interrupted.
Immediately after an activity inside the switching-device compartment was
completed.
Before leaving the panel front.
Injury
The mechanism inside the withdrawable circuit-breaker / circuit-breaker truck can
cause injuries by getting squeezed, caught or cut.
Do not remove any parts of the covering.
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