20
VD4/P 17
17.5
17.5
38
95
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
—
—
40
40
—
—
16
16
—
—
—
—
20
20
—
—
20
20
25
25
—
—
25
25
31.5
31.5
—
—
31.5
31.5
—
—
40
40
—
—
40
40
—
—
—
—
50
50
—
—
50
50
63
63
—
—
63
63
80
80
—
—
80
80
—
—
100
100
—
—
33 ... 60
10 ... 15
43 ... 75
60 ... 80
632
632
691
691
691
691
503
503
653
853
653
853
664
664
641
642
642
642
150
150
210
275
210
275
116
116
174
176
160
166
7412
7412
—
—
7415
7416
—
—
003284
003286
—
—
- 5 ... + 40
General characteristics of withdrawable circuit-breakers for UniGear ZS1 switchgear (17.5 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) (
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.
P P
H
W
D