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 onto the operating shaft,
and turn clockwise as far as it will go.
Fig. 369: Lifting the operating slide
Remove the racking crank for moving the withdrawable circuit-breaker.
Turn the double-bit key clockwise as far as it will go to block manual access and release
electrical racking. The operating mode indicator changes to "M".
Fig. 371: 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 has been manually racked from test position to service
position.
139-2021.9 / 07
Panels with motor operating mechanism control
Fig. 370: Turning the racking crank clockwise
from
to
NXAIR M
219