Operating the switch-disconnector panel
110-0134.9 / 14
NXAIR /
≤ 40 kA
227
18.9 Earthing the feeder manually
NOTICE
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.
NOTICE
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. 403: Instruction label on high-voltage door
Preconditions
•
High-voltage door closed
•
Switch-fuse combination in OPEN position
•
Padlock (optional) removed from operating slide
•
For electromagnetic interlock (optional):
•
Electromagnetic interlock activated
•
Operating lever available
Procedure
To release the actuating opening, lift the operating slide and hold it.