Operating the contactor panel with panel width 600 mm
110-0134.9 / 14 NXAIR / ≤ 40 kA 169
14.13 Earthing the feeder manually
Maloperation
A switching operation once started must be completed totally! A switching
operation that was not completed cannot be turned back.
Do not try to remove the operating lever at intermediate positions.
Maloperation
If the operating lever is not inserted correctly, the feeder earthing switch may be
damaged.
Insert the operating lever in the actuating opening as far as it will go.
Instruction label on high-voltage door:
In addition to these instructions, an instruction label on the high-voltage door informs about proper operation
of the operating lever for the feeder earthing switch.
Fig. 299: Instruction label on
high-voltage door
Fig. 300: Operating lever
Preconditions
• High-voltage door closed
• Contactor truck in test position
• Feeder to be earthed isolated
• Padlock (optional) removed from operating slide
• For electromagnetic interlock (optional):
• Electromagnetic interlock deactivated
• Operating lever available
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