ABB VD4 Installation And Service Instructions Manual page 15

D I S T R I B U T I O N S O L U T I O N S
Comply with the instructions in the UniGear
switchgear manual for the operations that can be
performed with the door open.
Note: on request, the closing spring loading device for withdrawable
circuit breakers for UniGear switchgear can be supplied with the lever
outside the operating mechanism and a rotary loading movement. This
device is part of the standard equipment for VD4/ZS8 withdrawable
circuit breakers only. This rotary loading device allows the closing spring
to be loaded with the switchgear door closed.
4.9 Standard fittings of
withdrawable circuit breakers
for UniGear ZS1 switchgear
The basic versions of the withdrawable circuit
breakers are three-pole and fitted with:
• CLASSIC type manual operating mechanism
• mechanical signalling device for closing spring
charged/discharged
• mechanical signalling device for circuit breaker
open/closed
• closing pushbutton
• opening pushbutton
• operation counter
• set of ten auxiliary circuit breaker open/closed
contacts
Note: with the set of ten auxiliary contacts supplied as standard and
the maximum number of electrical applications possible, three make
contacts (signalling circuit breaker open) and four break contacts
(signalling circuit breaker closed) are available.
• lever for manually charging the closing spring
• isolating contacts
• cord with connector (plug only) for auxiliary
circuits, withstriker pin which does not allow
connection of the plugin the socket if the rated
current of the circuit breaker isdifferent from the
rated current of the panel
• racking-in/out lever (the quantity must be defined
according to the number of pieces of apparatus
ordered)
• locking electromagnet in the truck. This prevents
the circuit breaker from being racked into the
panel with auxiliary circuits not connected (plug
not inserted in the socket).
VD4/P 63 kA
15