Operating the contactor panel with panel width 435 mm
120 NXAIR / ≤ 40 kA 110-0134.9 / 14
Preconditions
• Contactor truck in service position or in test position
• Contactor in CLOSED position
• For electromagnetic interlock (optional):
• Electromagnetic interlock deactivated
• High-voltage door closed
• Panel set to local control
• Double-bit key available
Procedure
To release the actuating opening for the double-bit key, lift the operating slide and hold it.
Fig. 197: Operating slide lifted
Fig. 198: Double-bit key to turn
To open the contactor manually, insert the double-bit key and turn as far as it will go:
• Contactor truck in service position: 90° counter-clockwise
• Contactor truck in test position: 90° clockwise
Final procedure steps
You may now go on to insert the crank for racking the contactor truck.
Otherwise remove the double-bit key, push the operating slide down, fit a
padlock (optional) to the operating slide and close it.
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