ZW20(A)-12(FG) / 630-20 Series Outdoor High Voltage Vacuum Circuit Breaker

ZW20(A)-12(FG) / 630-20 Series Outdoor High Voltage Vacuum Circuit Breaker
ZW20(A)-12(FG) / 630-20 Series Outdoor High Voltage Vacuum Circuit Breaker
ZW20(A)-12(FG) / 630-20 Series Outdoor High Voltage Vacuum Circuit Breaker

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Overview

 

The ZW20-12 outdoor column high-voltage vacuum circuit breaker is an outdoor high-voltage switchgear with a rated voltage of 12kV and a three-phase AC 50Hz. It is mainly used for breaking and closing the load current, overload current and short-circuit current of the power system. It is suitable for protection and control of substations, industrial and mining enterprises and urban and rural distribution networks, especially for places with frequent operations and automatic distribution networks of urban 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 Meaning

 

 

 

Normal Use Environment

1. The altitude does not exceed 3000m;

2. The upper limit of ambient air temperature does not exceed 40°C, the lower limit does not exceed -40°C, and the daily temperature difference is 25°C;

3. The wind pressure does not exceed 700Pa;

4. Contamination level: IV;

5. Ice thickness 100mm;

6. Installation site: no flammable, explosion hazard, chemical corrosion site;

7. The degree of earthquake sequence shall not exceed 8 degrees.

 

 

Technical Parameters

 

 

 

Installation Dimensions

 

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