Siemens NXAIR Operating Instructions Manual page 80

Operating the circuit-breaker panel
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
withdrawable circuit-breaker and the coupling in the switching-device compartment are in
vertical position.
Fig. 128: Coupling pin of the operating shaft for
If required, put the coupling pin of the feeder earthing switch operating shaft in vertical
position using the operating lever.
Fig. 130: Operating the feeder earthing switch operating shaft
Interlocking the service truck with the withdrawable circuit-breaker at the panel
80
the feeder earthing switch
CAUTION
Maloperation
Interlocks placed at the panel front prevent being injured when moving the
withdrawable circuit-breaker into the panel.
Make sure the service truck is interlocked with the panel before moving
the withdrawable circuit-breaker into the panel.
Observe the notes and the operating instructions on the service truck.
NXAIR / ≤ 40 kA
Fig. 129: Coupling of the feeder
earthing switch in the
switching-device
compartment
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