Earthing The Feeder Manually - Siemens NXAIR Operating Instructions Manual

Operating the circuit-breaker panel
Hold the operating lever with one hand straight in the actuating opening and turn the
operating lever with the other hand clockwise 180° until the feeder earthing switch changes to
CLOSED position.
Fig. 98: Turning the operating lever
clockwise
Remove the operating lever.
To close the actuating opening, push the operating slide down as far as it will go.
Fit a padlock (optional) to the operating slide and close it.
✓
The feeder is earthed.
10.17 De-earthing the feeder manually
66
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.
NXAIR / ≤ 40 kA
Fig. 99: Position indicator on high-voltage
door in CLOSED position
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