ABB VD4 - General Characteristics of Withdrawable Circuit-Breakers

18
VD4/P 12
12
12
28
75
50-60
630 1250 1250 1250 1600 1600
16 16 — — — —
20 20 — — 20 20
25 25 — — 25 25
31.5 31.5 — — 31.5 31.5
——4040——
16 16 — — — —
20 20 — — 20 20
25 25 — — 25 25
31.5 31.5 — — 31.5 31.5
——4040——
40 40 — — — —
50 50 — — 50 50
63 63 — — 63 63
80 80 — — 80 80
— — 100 100 — —
33 ... 60
10 ... 15
43 ... 75
60 ... 80
628 628 691 691 691 691
503 503 653 853 653 853
662 662 641 642 642 642
150 150 210 275 210 275
116 116 174 176 160 166
7412 7412 — — 7415 7416
— — 3284 3286 — —
- 5 ... + 40
5.5.1. General characteristics of withdrawable circuit-breakers for UniGear ZS1 switchgear
Circuit-breaker
Standards IEC 62271-100
VDE 0671; CEI 17-1 (File 1375)
Rated voltage Ur [kV]
Rated insulation voltage Us [kV]
Withstand voltage at 50 Hz Ud (1 min) [kV]
Impulse withstand voltage Up [kV]
Rated frequency fr [Hz]
Rated normal current (40 °C)(1) Ir [A]
Rated breaking capacity Isc [kA]
(rated short-circuit breaking
current symmetrical)
Rated short-time Ik [kA]
withstand current (3s)
Making capacity Ip [kA]
Operation sequence [ O - 0.3 s - CO - 15 s - CO ]
Opening time [ms]
Arcing time [ms]
Total breaking time [ms]
Closing time [ms]
Maximum H [mm]
Overall W [mm]
Dimensions D [mm]
Pole distance P [mm]
Weight [kg]
Standardised table of dimensions TN
1VCD
Operating temperature [°C]
Tropicalization IEC: 60068-2-30, 60721-2-1
Electromagnetic compatibility IEC: 60694
(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.
General characteristics of withdrawable circuit-breakers
for UniGear ZS1 switchgear (12 kV)
P
P
H
W
D