Siemens NXAIR Operating Instructions Manual page 232

Operating the switch-disconnector panel
Fig. 414: Inserting the lever with pins and openings parallel
Turn the operating lever counter-clockwise 90° until the feeder earthing switch changes to
OPEN position.
Fig. 415: Turning the operating lever
Check the feeder earthing switch is in OPEN position through the inspection window.
Remove the operating lever.
To close the actuating opening, push the operating slide down to the middle.
Fit a padlock (optional) to the operating slide and close it.
✓
The feeder is de-earthed.
232
counter-clockwise
NXAIR / ≤ 40 kA
Fig. 416: Position indicator in OPEN position
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