Siemens NXAIR M Operating Instructions Manual page 31

Air-insulated switchgear
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Preconditions
Withdrawable circuit-breaker in test position
Spring energy store in the circuit-breaker discharged
High-voltage door closed
Padlock (optional) removed from door handle
In case of removable voltage transformers (optional):
Removable voltage transformers in test position
Procedure
Pull the door handle upwards and open the high-voltage door.
Fig. 34: Opening the high-voltage door of the circuit-breaker panel
The high-voltage door is open.
139-2021.9 / 07
CAUTION
Injury
The mechanism inside a withdrawable part can cause injuries by getting
squeezed, caught or cut.
No maintenance or installation work on withdrawable circuit-breakers.
Do not undo or remove any bolts.
Do not remove any parts of the covering.
Operating the circuit-breaker panel
NXAIR M
31

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