Siemens NXAIR - Page 59

Operating the circuit-breaker panel
110-0134.9 / 14 NXAIR / ≤ 40 kA 59
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
OFF pushbutton until the switching noise of the circuit-breaker can be heard.
Fig. 84: Rotary button
Fig. 85: Push rod inserted
The spring state indicator for the closing spring does not change.
Fig. 86: Position indicator on the circuit-breaker, open
(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 I position to 0 position.
The circuit-breaker is open.