12
VD4 24
24
24
50
125
50-60
630 630 1250 1250 1600 2000 2500
16 16 16 16 16 16 —
20 20 20 20 20 20 —
25 25 25 25 25 25 25
16 16 16 16 16 16 —
20 20 20 20 20 20 —
25 25 25 25 25 25 25
40 40 40 40 40 40 —
50 50 50 50 50 50 —
63 63 63 63 63 63 63
33 ... 60
10 ... 15
43 ... 75
60 ... 80
631 631 631 631 642 642 642
570 700 570 700 700 700 700
424 424 424 424 424 424 424
210 275 210 275 275 275 275
100 104 100 104 110 110 110
7409 7410 7409 7410 7411 7411 7411
- 5 ... + 40
General characteristics of fixed circuit-breakers (24 kV)
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) 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
Operating temperature [°C]
Tropicalization IEC: 60068-2-30, 60721-2-1
Electromagnetic compatibility IEC: 60694
P
P
H
W
D