Operating the circuit-breaker panel
64 NXAIR / ≤ 40 kA 110-0134.9 / 14
10.16 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 handling
of the operating lever for the feeder earthing switch.
Fig. 93: Instruction label on the high-voltage door
Preconditions
• High-voltage door closed
• Feeder to be earthed is isolated
• Withdrawable circuit-breaker / circuit-breaker truck in test position
• Operating lever available
• Padlock (optional) removed from operating slide
• For electromagnetic interlock (optional):
• Electromagnetic interlock deactivated
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