ZW20-12 Outdoor HV Vacuum Circuit Breaker

ZW20-12 Outdoor HV Vacuum Circuit Breaker （ZW20-12F、ZW20-12、ZW20-12G）outdoor high-voltage intelligent demarcation vacuum circuit breaker is suitable for protection and control of substations, industrial and mining enterprises and urban and rural distribution networks, especially suitable for places with frequent operations and urban automatic distribution networks. This product is matched with the controller, which can 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, and has good sealing performance, so that it is not affected by the external environment, and is a maintenance-free product. Its spring operating mechanism adopts direct-acting chain main drive and multi-stage tripping system, which has high reliability and is the best product for column-mounted circuit breakers.

Model Description

Z:Vacuum circuit breaker

W:Outdoor

20:Design Number

12:Rated voltage:12kV

▢:F:intelligeht type/blank(mannual type)/G:disconnector type

▢: Rated current:400A、630A、1000A、1250A

▢: Rated short-circuit breaking current:20kA、25kA

Working Environment：

● The altitude does not exceed 3000m;

● Ambient air temperature: -40C ~+40C; daily temperature difference: daily temperature change 25°C;

● The wind speed is not more than 35m/s;

● No flammable, explosion hazard, strong chemical corrosive substances (such as various acids, alkalis or thick smoke, etc.) and violent vibration places.

Main Technical Parameters：

Structure And Mounting Dimensions

Product Real Shot