Siemens NXAIR Operating Instructions Manual page 123

Preconditions
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Authorization to operate the manual unlocking available
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Auxiliary voltage for the panel disconnected
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High-voltage door closed
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Contactor truck in service position
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Contactor in CLOSED position or OPEN position
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Key for padlock available
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Double-bit key available
•
Racking crank available
Procedure
Make sure to operate the particular contactor panel authorization is given for.
To release the actuating opening for the double-bit key, lift the operating slide and hold it.
Fig. 203: Lifting the operating slide
Insert the double-bit key without turning.
Fig. 204: Double-bit key inserted
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Operating the contactor panel with panel width 435 mm
NXAIR / ≤ 40 kA
123