ABB VD4 Installation And Service Instructions Manual page 29

General characteristics of withdrawable circuit-breakers for PowerCube modules (24 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
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 PowerCube enclosure and with 40 °C ambient temperature.
(2) 2300 A rated uninterrupted current guaranteed with natural ventilation; 2500 A rated current guaranteed with forced ventilation.
VD4/P 24
Modulo PowerCube PB4
IEC 62271-100
Ur [kV] 24
Us [kV] 24
Ud (1 min) [kV] 50
Up [kV] 125
fr [Hz] 50-60
Ir [A] 630
Isc [kA] 16
20
25
Ik [kA] 16
20
25
Ip [kA] 40
50
63
[ms] 33 ... 60
[ms] 10 ... 15
[ms] 43 ... 75
[ms] 60 ... 80
H [mm] 794
W [mm] 653
D [mm] 802
Pole distance P [mm] 210
[kg] 140
TN 7413
[°C] - 5 ... + 40
IEC: 60694
PB4 PB5
1250 1600
16 16
20 20
25 25
16 16
20 20
25 25
40 40
50 50
63 63
794 838
653 853
802 790
210 275
140 228
7413 7418
PB5 PB5
2000 2500 (2)
16 16
20 20
25 25
16 16
20 20
25 25
40 40
50 50
63 63
838 838
853 853
790 790
275 275
228 228
7418 7418
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