Siemens NXAIR Installation Instructions Manual page 117

Accessing the connection compartment through the front
If the position indicator of the feeder earthing switch on the high-voltage door shows
horizontal position, the feeder is not earthed.
Before proceeding, do absolutely earth the feeder; see Operating Instructions with order
number 110-0134.9.
Then take the withdrawable part or switching-device truck out of the switching-device
compartment, see Operating Instructions with order number 110-0134.9.
If no withdrawable part / switching-device truck is inserted in the switching-device
compartment:
Verify that the position indicator of the feeder earthing switch in the switching-device
compartment points to the I symbol.
Fig. 154: All panel versions except for contactor panels with panel width 435 mm and switch-
disconnector panels: Additional position indicator of feeder earthing switch in
switching-device compartment
Fig. 155: Contactor panels with panel width 435 mm only:
Additional position indicator of the feeder earthing switch inside the
110-0084.9 / 15
switching-device compartment
NXAIR /
≤
40 kA 117