Siemens NXAIR - Manual Emergency Opening of the Contactor

Operating the contactor panel with panel width 435 mm
110-0134.9 / 14 NXAIR / ≤ 40 kA 121
13.12 Manual emergency opening of the contactor
NOTICE
Maloperation
Manual emergency opening of the contactor is only permissible in case of
emergency (for example the electrical malfunction of the contactor).
Perform the following activities only in case of emergency.
For operating the contactor manually, use the push rod only in the way
described hereafter.
Preconditions
• Contactor truck in service position or in test position
• Contactor in CLOSED position
• High-voltage door closed
• Push rod available
Procedure
Insert the push rod through the actuating opening in the high-voltage door and press it to the
frame as far as it will go.
Fig. 199: High-voltage door with
actuating opening
Fig. 200: Push rod inserted
✓
The contactor is open.