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VD4/S type indoor 12kV 13.8kV 24kV 35kV vacuum circuit breaker is an AC three phase indoor high-voltage switching equipment, mainly applied for protection and control in power distributi on system of power plant, electric substation and industrial and mining enterprise,It is especially applied for breaking of important load and place requiring frequent operation.
The VD4 VCB equipped with permanent magnetic operating mechanism of long service life, its mechanical life can get to 100,000 times, which is suitable for place with extremely frequent operation.
The assembled structure design makes the vacuum circuit breaker can not only be used as a fixed unit but also as mid-cabinet unit when it is equipped with chassis.
Technical Data of Indoor VD4 12kV 24kV 35kV Vacuum Circuit Breaker
Item | Unit | Parameters | ||
Rated Voltage | KV | 12 | 24 | 40.5(36) |
Rated Frequency | HZ | 50/60 | 50/60 | 50/60 |
Lightning Impulse Withstand Voltage | KV | 75/95 | 75/95 | 75/95 |
Power Frequency Withstand Voltage 1 Min(Dry/Wet) | KV | 48 | 65 | 95/118 |
Rated Current | A | 630-4000A | 630-2500A | |
Peak Withstand Current(peak) | KA | 50/63/80/100 | 50/63/80 | |
Rated Short Time Making Current | KA | 50/63/80/100 | 50/63/80 | |
Rated Short Time Withstand Current(4s) | KA/S | 20/25/31.5 | ||
Rated Cable(line) Charging Breaking Current | A | 50 and 10 | ||
Rated Short Circuit Breaking Current | A | 20/25/31.5/40 | ||
Rated Single Capacitor Bank Switching Current | A | 400 | 600 | |
Rated Operating Sequence | Mpa | O-0.3S-CO-180S-CO | ||
Mechanical Life | Times | 10000 | ||
Operation of Mechanical Stability | Times | 6000 | ||
VD4/S type indoor 12kV 13.8kV 24kV 35kV vacuum circuit breaker is an AC three phase indoor high-voltage switching equipment, mainly applied for protection and control in power distributi on system of power plant, electric substation and industrial and mining enterprise,It is especially applied for breaking of important load and place requiring frequent operation.
The VD4 VCB equipped with permanent magnetic operating mechanism of long service life, its mechanical life can get to 100,000 times, which is suitable for place with extremely frequent operation.
The assembled structure design makes the vacuum circuit breaker can not only be used as a fixed unit but also as mid-cabinet unit when it is equipped with chassis.
Technical Data of Indoor VD4 12kV 24kV 35kV Vacuum Circuit Breaker
Item | Unit | Parameters | ||
Rated Voltage | KV | 12 | 24 | 40.5(36) |
Rated Frequency | HZ | 50/60 | 50/60 | 50/60 |
Lightning Impulse Withstand Voltage | KV | 75/95 | 75/95 | 75/95 |
Power Frequency Withstand Voltage 1 Min(Dry/Wet) | KV | 48 | 65 | 95/118 |
Rated Current | A | 630-4000A | 630-2500A | |
Peak Withstand Current(peak) | KA | 50/63/80/100 | 50/63/80 | |
Rated Short Time Making Current | KA | 50/63/80/100 | 50/63/80 | |
Rated Short Time Withstand Current(4s) | KA/S | 20/25/31.5 | ||
Rated Cable(line) Charging Breaking Current | A | 50 and 10 | ||
Rated Short Circuit Breaking Current | A | 20/25/31.5/40 | ||
Rated Single Capacitor Bank Switching Current | A | 400 | 600 | |
Rated Operating Sequence | Mpa | O-0.3S-CO-180S-CO | ||
Mechanical Life | Times | 10000 | ||
Operation of Mechanical Stability | Times | 6000 | ||
