Siemens NXAIR Operating Instructions Manual page 396

Panels with motor operating mechanism control
Procedure
To open the actuating opening for racking, lift the operating slide as far as it will go and
hold it.
Push the racking crank for moving the withdrawable circuit-breaker / circuit-breaker truck
onto the operating shaft, and turn clockwise as far as it will go.
Fig. 715: Lifting the operating slide
Remove the racking crank for moving the withdrawable circuit-breaker / circuit-breaker truck.
Turn the double-bit key clockwise as far as it will go to block access for manual racking and
release electrical racking. The operating mode indicator changes to "M".
Fig. 717: Turning the key clockwise
Remove the double-bit key.
To close the actuating opening, push the operating slide down as far as it will go.
Close the control door.
Fit a padlock to the control door and close the padlock.
✓
The withdrawable circuit-breaker / circuit-breaker truck has been manually racked from test
position to service position.
396
Fig. 716: Turning the racking crank clockwise
from
to
NXAIR / ≤ 40 kA
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