ZW20A-12 Outdoor High-voltage Vacuum Circuit Breaker

ZW20A--12 series outdoor high-voltage AC demarcation vacuum circuit breaker is an outdoor high-voltage switchgear with a rated voltage of 12kV and three-phase AC 50Hz. It is mainly used to open and close the load current, overload current and short-circuit current of the power system. It is suitable for the protection and control of substations, industrial and mining enterprises and urban and rural distribution networks, especially for places with frequent operations and urban grid automatic distribution networks. This product is matched with the controller to meet the requirements of the distribution automation system and can reliably and effectively complete the traditional recloser function. It adopts a mature box-type sealing structure, filled with SF6 gas inside, and has good sealing performance, so that it is not affected by the external environment, and it is a maintenance-free product. Its spring operating mechanism adopts direct chain main drive and multi-stage trip system, an