This indoor vacuum circuit breaker is jointly produced by our company and Xi'an High-voltage Electric Apparatus Institute. It is suitable for 40.5Kv rated voltage, three-phase and AC 50/60HZ power system.
Technical Parameters
| Rated voltage | 40.5Kv |
| 1 min P.F. withstand voltage | 95 kV |
| Lightning impulse withstand voltage (peak) | 185 kV |
| Rated current | 630,1250,1600,2000 A |
| Rated short circuit breaking current | 25,31.5 kA |
| Rated short circuit making current (peak) | 63,80 kA |
| Rated operation sequence | O-0.3s-C/O-180s-C/O |
| Breaking time of rated short-circuit breaking current | 20 Times |
| Mechanical lifetime | 10000 Times |
| Rated frequency | 50/60 HZ |
| Rated breaking current of capacitor bank | 630 A |
We are a professional indoor vacuum circuit breaker manufacturer and supplier in China with more than 20 years of experience in manufacturing power transmission equipment and wind turbine generators. Therefore, we know how to produce international advanced products. If you want to know more information, we welcome you to contact us directly! We will provide satisfying products and service for you!
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