13
Notes
W = Width of the switch-
gear.
I = Pole horizontal centre
distance.
u/l = Distance between bot-
tom and top terminal.
ø = Diameter of the isolat-
ing contact.
(*)
The rated current of
2300A is guaranteed
with natural ventilation.
The rated current of
2500A is guaranteed
with forced ventilation.
5.4.3. Standard fittings for withdrawable circuit-breakers for
UniGear type ZS1 switchgear
The basic versions of the withdrawable circuit-breakers are three-pole and
fitted with:
– EL type manual operating mechanism
– mechanical signalling device for closing springs charged/discharged
– mechanical signalling device for circuit-breaker open/closed
– closing pushbutton
– opening pushbutton
– operation counter
– set of ten circuit-breaker open/closed auxiliary contacts.
Note
With the group of ten auxiliary contacts, as standard, and the maximum of the
requested applications, the following are available: three opening contacts
(signalling circuit-breaker open) and five closing contacts (signalling circuit-
breaker closed).
– lever for manually charging the closing springs
– isolating contacts
– cord with connector (plug only) for auxiliary circuits, with striker pin which
does not allow connection of the plug in the socket if the rated current of
the circuit-breaker is different 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. It prevents racking-in of the circuit-
breaker in the panel with auxiliary circuits not connected (plug not in-
serted in the socket).
24
Ur
Isc
Rated uninterrupted current
(40°C) [A]
kV
kA
W = 650
W = 800
W = 1000
W = 1000
W = 800
W = 1000
W = 1000
Circuit-breaker type
I = 150
I = 210
I = 275
I = 275
I = 210
I = 275
I = 275
u/l = 205
u/l = 310
u/l = 310
u/l = 310
u/l = 310
u/l = 310
u/l = 310
ø = 35
ø = 79
ø = 79
ø = 109
ø = 35
ø = 35
ø = 79
16
630
VD4/P 24.06.16 p210
20
630
VD4/P 24.06.20 p210
25
630
VD4/P 24.06.25 p210
16
1000
VD4/P 24.12.16 p210
20
1000
VD4/P 24.12.20 p210
25
1000
VD4/P 24.12.25 p210
16
1250
VD4/P 24.12.16 p210
20
1250
VD4/P 24.12.20 p210
25
1250
VD4/P 24.12.25 p210
16
630
VD4/P 24.06.16 p275
20
630
VD4/P 24.06.20 p275
25
630
VD4/P 24.06.25 p275
16
1000
VD4/P 24.12.16 p275
20
1000
VD4/P 24.12.20 p275
25
1000
VD4/P 24.12.25 p275
16
1250
VD4/P 24.12.16 p275
20
1250
VD4/P 24.12.20 p275
25
1250
VD4/P 24.12.25 p275
16
1600
VD4/P 24.16.16 p275
20
1600
VD4/P 24.16.20 p275
25
1600
VD4/P 24.16.25 p275
16
2000
VD4/P 24.20.16 p275
20
2000
VD4/P 24.20.20 p275
25
2000
VD4/P 24.20.25 p275
16
2300
VD4/P 24.25.16 p275
20
2300
VD4/P 24.25.20 p275
25
2300
VD4/P 24.25.25 p275
16
2500 (*)
VD4/P 24.25.16 p275
20
2500 (*)
VD4/P 24.25.20 p275
25
2500 (*)
VD4/P 24.25.25 p275
VD4/D withdrawable circuit-breaker for UniGear type ZS1 switchgear
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