Siemens NXAIR Operating Instructions Manual page 159

Operating the contactor panel with panel width 600 mm
Turn the double-bit key counter-clockwise as far as it will go (that is 90°) to interlock the
contactor truck.
Fig. 279: Turning the racking crank Fig. 280: Turning the double-bit key
counter-clockwise counter-clockwise
Remove the double-bit key.
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.
Fig. 281: Position indicator of racking mechanism in OPEN position
✓
The contactor truck has been racked from service position to test position.
NXAIR / ≤ 40 kA
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