ABB V-Contact VSC Series Installation And Service Instructions Manual page 21

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The crosspiece for hooking up the contactor to

the enclosure for operation of the truck is

mounted on the front of the truck;

– two supports house the slide for actuation of

the segregation shutters of the fixed medium

voltage contacts of the enclosure and the

locking slide of operation of the switch itself

with the contactor in the connected position

or during the isolation stage;

– when it is not inserted in the socket located

on the enclosure, the plug connector for the

auxiliary circuits of the contactor must be

hooked up to the stake;

– mechanical signalling of open/closed;

– fuseholder complete with connections for

fuses;

Fig. 8a

Locking devices on the racking-out truck

Fig. 8b

– input and output tulip isolating contacts;

– locks as per par. 5.6.2.1.;

– three current-limiting fuses (supplied on re-

quest) with high breaking capacity connected

in series to the contactor, with dimensions ac-

cording to:

• DIN 43625 Standard with maximum car-

tridge length e = 442 mm;

• BS 2692 Standard with maximum centre fix-

ing distance L = 553 mm;

– an impulse counter (supplied on request)

which indicates the number of operations

carried out by the contactor;

– manual emergency opening device and de-

vice for opening when a fuse blows.

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