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Operating the contactor panel with panel width 600 mm

154 NXAIR / ≤ 40 kA 110-0134.9 / 14

14.7 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 inserted in test position

• Low-voltage connector plugged on

• 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. 266: Racking crank

Fig. 267: Double-bit key with a diameter of 5 mm

Fig. 268: Position indicators on

high-voltage door

(1)

Position indicator for contactor:

OPEN position

(2)

Position indicator for feeder earthing switch:

OPEN position

(3)

Position indicator for contactor truck:

test position

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