General Characteristics Of Fixed Circuit-Breakers (24 Kv) - ABB VD4 Installation And Service Instructions Manual

General characteristics of fixed circuit-breakers (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)
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
12
VD4 24
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] 631
W [mm] 570
D [mm] 424
Pole distance P [mm] 210
[kg] 100
TN 7409
[°C] - 5 ... + 40
IEC: 60694
630 1250 1250
16 16 16
20 20 20
25 25 25
16 16 16
20 20 20
25 25 25
40 40 40
50 50 50
63 63 63
631 631 631
700 570 700
424 424 424
275 210 275
104 100 104
7410 7409 7410
1600 2000 2500
16 16 —
20 20 —
25 25 25
16 16 —
20 20 —
25 25 25
40 40 —
50 50 —
63 63 63
642 642 642
700 700 700
424 424 424
275 275 275
110 110 110
7411 7411 7411