ZW8-12(G) outdoor high voltage AC vacuum Circuit Breaker is suitable for the power system with three- -phase AC 50 Hz and rated voltage of 12KV. It is mainly used to break load current, overload current and short circuit current of agricultural network, domain network and small power system. The overall structure of the product is three- -phase common box type. Three -phase vacuum arc chamber is placed in the metal box. It is reliable with high insulation strength for the use of phase to phase insulation and to earthing insulation of SMC insulation material . ZW8- 12(G) consists of a ZW8-12 circuit breaker and an isolating switch, called a combined circuit breaker, which can be used as a sectional switch. CT23 spring energy storage operating Mechanism in this series is divided into electric and manual type.

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