Siemens NXAIR Operating Instructions Manual page 92

Operating the circuit-breaker panel
Verifying correspondence of switching-device truck version and panel version
A switching-device truck may only be inserted in a panel, if the coding symbols are identical in number and
kind with those on the low-voltage connector.
Carefully compare the coding symbols on the top side of the switching-device truck (1) with
the symbols on the top side of the low-voltage connector (2).
Fig. 151: Verifying correspondence of coding symbols on
Preparing the operating shaft for the feeder earthing switch
Make sure that the coupling pin of the operating shaft for the feeder earthing switch at the
circuit-breaker truck and the coupling in the switching-device compartment are in vertical
position.
Fig. 152: Coupling pin of the operating shaft for
92
switching-device truck and low-voltage connector (example)
the feeder earthing switch
NXAIR / ≤ 40 kA
1
2
Fig. 153: Coupling of the feeder
earthing switch in the
switching-device compartment
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