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