Siemens NXAIR M - Page 151

Accessing the connection compartment through the front
139-2021.9 / 07 NXAIR M 151
Preconditions
 Withdrawable part inserted in the switching-device compartment:
 High-voltage door closed
 Withdrawable part in test position
 Feeder earthing switch in CLOSED position
Procedure
Check if the position indicator of the feeder earthing switch on the high-voltage door is in
vertical I position.
Fig. 258: Position indicator of feeder earthing switch on high-voltage door
Open the high-voltage door.
Take the withdrawable part out of the panel.
HINT
Position indicator of the feeder earthing switch
An additional position indicator of the feeder earthing switch is visible inside the
switching-device compartment. The feeder earthing switch is earthed if the
additional position indicator points to the vertical I symbol.
Fig. 259: Additional position indicator of feeder earthing switch
in the switching-device compartment