General Characteristics Of Withdrawable Circuit-Breakers - ABB VD4 Installation And Service Instructions Manual

5.5.1. General characteristics of withdrawable circuit-breakers for UniGear ZS1 switchgear

General characteristics of withdrawable circuit-breakers

for UniGear ZS1 switchgear (12 kV)
Circuit-breaker
Standards
VDE 0671; CEI 17-1 (File 1375)
Rated voltage
Rated insulation voltage
Withstand voltage at 50 Hz
Impulse withstand voltage
Rated frequency
Rated normal current (40 °C)(1)
Rated breaking capacity
(rated short-circuit breaking
current symmetrical)
Rated short-time
withstand current (3s)
Making capacity
Operation sequence [ O - 0.3 s - CO - 15 s - CO ]
Opening time
Arcing time
Total breaking time
Closing time
Maximum
P P
Overall
H
Dimensions
D Pole distance P [mm]
W
Weight
Standardised table of dimensions
Operating temperature
Tropicalization IEC: 60068-2-30, 60721-2-1
Electromagnetic compatibility
(1) Rated current guaranteed with circuit-breaker installed in UniGear ZS1 switchgear and with 40 °C ambient temperature.
(2) 4000 A in UniGear ZS1 switchgear with forced ventilation.
18
VD4/P 12
IEC 62271-100
Ur [kV] 12
Us [kV] 12
Ud (1 min) [kV] 28
Up [kV] 75
fr [Hz] 50-60
Ir [A] 630 1250
Isc [kA] 16 16
20 20
25 25
31.5 31.5
— —
Ik [kA] 16 16
20 20
25 25
31.5 31.5
— —
Ip [kA] 40 40
50 50
63 63
80 80
— —
[ms] 33 ... 60
[ms] 10 ... 15
[ms] 43 ... 75
[ms] 60 ... 80
H [mm] 628 628
W [mm] 503 503
D [mm] 662 662
150 150
116 116
[kg]
TN 7412 7412
1VCD — —
[°C] - 5 ... + 40
IEC: 60694
1250 1250
— —
— —
— —
— —
40 40
— —
— —
— —
— —
40 40
— —
— —
— —
— —
100 100
691 691
653 853
641 642
210 275
174 176
— —
3284 3286
1600 1600
— —
20 20
25 25
31.5 31.5
— —
— —
20 20
25 25
31.5 31.5
— —
— —
50 50
63 63
80 80
— —
691 691
653 853
642 642
210 275
160 166
7415 7416
— —