Siemens NXAIR - Page 57

Operating the circuit-breaker panel
110-0134.9 / 14 NXAIR / ≤ 40 kA 57
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. 79: Rotary button
Fig. 80: Push rod inserted
After closing, the closing spring is immediately automatically charged by the motor and the
spring state indicator changes to CHARGED.
Change of the spring state indicator during closing operation:
Charged Discharged Charged
Fig. 81: Position indicator on the circuit-breaker, closed
(circuit-breaker 3AE5 as an example)
Take the push rod out of the actuating opening.
Fit a padlock (optional) to the actuating opening and close it.
✓
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.