This outdoor AC MV vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 40.5Kv three-phase alternating current 50/60Hz power system. This circuit breaker is also suitable for occasions with frequent operations.
Technical Parameters
| Rated voltage | 40.5kV |
| Rated current | 630, 1250,1600, 2000A |
| Rated short-circuit breaking current | 20/25/31.5kA |
| Rated short-circuit making current | 50/63/80kA |
| Rated short-time withstand current | 20/25/31.5kA |
| Rated peak withstand current | 50/63/80kA |
| Mechanical duration | 3000 Times |
| Breaking time of rated short-circuit breaking current | 30 Times |
| 1 min P.F. withstand voltage-dry (phase to phase, to earth; across open contacts) | 42/49kV |
| 1 min P.F. withstand voltage-wet | 34kV |
| Lightning impulse withstand voltage peak (phase to phase, to earth; across open contacts) | 75/85kV |
| Abrasions thickness of contacts | 3 mm |
| Net weight | 70 kg |
We are a professional outdoor vacuum circuit breaker manufacturer in China. We are located in Wenzhou, Zhejiang province. Here we have access to deep water docks, international airport, highways and convenient transportations, which can effectively save your transportation cost. In addition, we also provide technical advanced wind turbine generators, load break switches, disconnect switches and other products at a reasonable price. If you are looking for wind turbine generators and power transmission equipment, we welcome you to contact us!
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