Operating the circuit-breaker panel
44 NXAIR M 139-2021.9 / 07
Procedure
Turn cover of actuating opening aside using the rotary button located over it.
Insert the push rod through the actuating opening in the high-voltage door and operate the
ON pushbutton until the switching noise of the circuit-breaker can be heard.
Fig. 59: Actuating opening released
Fig. 60: High-voltage door with push rod in the
actuating opening
After closing, the closing spring is immediately automatically charged by the motor and the
spring state indicator changes to CHARGED.
Fig. 61: Position indicator on the circuit-breaker, CLOSED
Take the push rod out of the actuating opening.
Close the cover of the actuating opening.
Optional: Fit a padlock to the actuating opening.
The position indicator on the circuit-breaker changes from 0 position to I position. The
operations counter is increased by 1. The circuit-breaker is closed.
Change of the spring state indicator
during closing operation:
CHARGED NOT CHARGED CHARGED
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