Siemens NXAIR Operating Instructions Manual page 170

Operating the contactor panel with panel width 600 mm
Procedure
To release the actuating opening, lift the operating slide and hold it.
Fig. 301: Lifting the operating slide; actuating opening
While keeping the operating slide lifted, insert the operating lever slightly into the actuating
opening such that the pins in the operating lever are horizontal.
Insert the operating lever into the actuating opening as far as it will go.
Fig. 302: Inserting the operating lever
Hold the operating lever with one hand straight in the actuating opening and turn the
operating lever with the other hand clockwise 180° until the feeder earthing switch changes to
CLOSED position.
Fig. 303: Turning the operating lever clockwise
170
Fig. 304: Position indicator vertical bar
NXAIR / ≤ 40 kA
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