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Operating the contactor panel with panel width 435 mm

114 NXAIR / ≤ 40 kA 110-0134.9 / 14

13.7 Racking the contactor truck to service position

NOTICE

Maloperation

Racking the contactor truck to service position is only permissible if the contactor

is in OPEN position.

Switch the contactor to OPEN position, if required.

Preconditions

• Contactor truck in test position

• Low-voltage connector plugged on (automatically)

• High-voltage door closed

• Contactor in OPEN position

• Feeder earthing switch in OPEN position

• For electromagnetic interlock (optional):

• Electromagnetic interlock deactivated

• Racking crank for moving the contactor truck available

• Double-bit key available

• Padlock (optional) removed from operating slide

Fig. 183: Racking crank

Fig. 184: Double-bit key with

a diameter of 5 mm

Procedure

NOTICE

Maloperation

All interlocks are only released when the contactor truck is in a stable end

position.

Rack the contactor truck absolutely until end position.

Siemens NXAIR User Manual

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