Preconditions
•
If a withdrawable part / switching-device truck is inserted in the switching-device compartment:
•
High-voltage door closed
•
Withdrawable part / switching-device truck in test position
•
Feeder earthing switch in CLOSED position
Procedure
Verify that the position indicator of the feeder earthing switch on the high-voltage door shows
the vertical I position.
Fig. 549: All panel versions except for contactor panels with panel width 435 mm
Fig. 550: Contactor panels with panel width 435 mm only:
Open the high-voltage door.
Take the withdrawable part / switching-device truck out of the panel.
110-0134.9 / 14
Accessing the connection compartment through the front
and switch-disconnector panel: Position indicator of feeder earthing switch
on high-voltage door
Position indicator of feeder earthing switch on high-voltage door
NXAIR / ≤ 40 kA
299