Siemens NXAIR M Operating Instructions Manual page 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.
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Accessing the connection compartment through the front
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
NXAIR M 151