productslogo-2-25

HVD32-12KV

Vacuum Circuit Breaker

This vacuum circuit breaker(VCB) is three-phase AC 50Hz, rated voltage 12kV outdoor high-voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.

HVD32 outdoor vacuum circuit breaker
No. Item Unit Data
1 Rated voltage kV 12
2 Rated current A 400 630 630
3 Rated short circuit breaking current   kA 12.5 16 20
4 Rated short circuit breaking current (peak value) 31.5 40 50
5 rated peak value withstand current 31.5 40 50
6 Rated short circuit withstand current 12.5 16 20
7 Rated short-circuit duration S 4
8 Rated insulation level 1min power frequency withstand voltage   kV Phase to phase,to ground 42,fracture 48
Lighting Impulse withstand voltage(peak value) Phase to phase,to ground 75,fracture 48
9 Rated sequence of operations O-0.3s-CO-180s-CO
10 Mechanical life Time 10000
11 Rated short-circuit current breaking times Time 30
12 Rated operation voltage(opening-closing coil) V DC220,110,AC220,110
HVD32-12 1
HVD32-12 2
No. Name Unit Value
1 Rated voltage KV 12
2 The 1min rated power frequency withstand voltage Phase to Phase, to Ground42 / Fracture 48
3 Rated lightning impulse withstand voltage(peak) Phase to Phase, to Ground42 / Fracture 48
4 Rated current A 630 1250
5 Rated frequency Hz 50
6 Rated short circuit breaking current KA 12.5  16  20 25
7 Rated short-circuit current (peak) 31.5  40  50 63
8 Rated peak withstand current 31.5  40  50 63
9 4s rated short time withstand current 12.5  16  20 25
10 Rated operating sequence O-0.3s-CO-180s-CO(Electric operation)
11 Closing time ms 30-60
12 Opening time 20-40
13 Rated short circuit breaking current breaking times times 30
14 Mechanical life 10000
15 Secondary circuit 1min power frequency withstand voltage V 2000
16 Energy storage motor rated power W 40
17 Energy storage motor rated voltage V DC220/110
18 Rated closing operation voltage DC220/110, AC220/110
19 Rated switching operation voltage DC220/110, AC220/110
20 Electric energy storage time S ≤8