Racking The Contactor Truck To Service Position - Siemens NXAIR Operating Instructions Manual

Operating the contactor panel with panel width 600 mm

14.7 Racking the contactor truck to service position

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. 268: Position indicators on
high-voltage door
154
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.
NXAIR / ≤ 40 kA
Fig. 267: Double-bit key with a diameter of 5 mm
Position indicator for contactor:
(1)
OPEN position
Position indicator for feeder earthing switch:
(2)
OPEN position
Position indicator for contactor truck:
(3)
test position
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