ZN68-12/630-25 series Vacuum Circuit Breaker is the indoor high voltage Switchgear with 12kV rated voltage , three phase AC 50HZ . It is mainly used for fixed type switch cabinet or substituting minimum oil circuit breaker in old-fashioned kinds, also applies to protecting and controlling unit of mobile switching equipment. It is suitable for occasions with frequent operation. This series has different two structure including the whole type ZN68-12/630-25 and divided body type ZN68-12/630-25. The switch body and operating device of ZN68-12/630-25 were installed at a body and the other installed separately.
Vacuum circuit breaker with a small contact distance, arc time is short, breaking the fault current in contact with the characteristics of minor burns, so the vacuum circuit breaker required for the operation of small energy, fast action. It also has a small size, light weight, maintenance workload is small, to fire, explosion, the advantages of small operation noise.
Vacuum circuit breaker mainly includes three parts: vacuum interrupter, electromagnetic or spring Operating mechanism, bracket and other parts.
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Product Categories : Vacuum Circuit Breaker > 12kV Vacuum Circuit Breaker