ZW20-12 Vacuum Circuit breaker hv

The ZW20-12 series outdoor pole-mounted vacuum circuit breaker is an outdoor medium-voltage switchgear with a rated voltage of 12kV and three-phase AC 50Hz. It is mainly used to break and close the load current, overload current and short-circuit current of the power system. It is suitable for protection and control in substations, industrial and mining enterprises, and urban and rural distribution networks. It is especially suitable for places with frequent operations and urban automated 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 and is filled with SF6 gas inside. It has good sealing performance and is not affected by the external environment. It is a maintenance-free product. Its spring operating mechanism adopts a direct-acting chain main drive and a multi-stage The tripping system has high action reliability and is a good choice for pole-mounted circuit breakers.