33kv Air Vacuum Circuit Breaker 11kv 630a vacuum circuit breaker Quality Choice

33kv Air Vacuum Circuit Breaker 11kv 630a vacuum circuit breaker introduction

Outdoor high-voltage vacuum circuit breaker is outdoor distribution equipment with 12kV rated voltage and 50HZ three phase alternating current It is applied to lead current, over current and short circuit current during the breaking-closing electric system It is suit for protecting and controlling in the transformer substation, industrial and mining establishments' distribution system or other rural power grids.

33kv Air Vacuum Circuit Breaker 11kv 630a vacuum circuit breaker features:

1. The breaker has strong breaking capacity, with short arcing time and long electrical encurance. It could break the short-circuit current for 30 times without maintenance. 

2. Circuit breaker consists of conductive circuit, insulation system, seals, and enclosure. General structure is three phases in one enclosure.

3. Creepage distance of silastic bushing is 26.9mm/KV.

4. Vacuum arc-control chamber is the arc-control component of the breaker, which enclosed with external insulation porcelain housing, and middle sealing-in.

33kv Air Vacuum Circuit Breaker 11kv 630a vacuum circuit breaker technical parameters

Elevation: ≤1000m (For special order, please keep informed in advance)

Ambient temperature: -30°C ~ +40°C

Wind Pressure: ≤700Pa (equivalent with wind speed 35m/s)

Seismic intensity: ≤8°

Pollution level: Class Ⅲ

Installation site: The installation site should be kept from fire and explosive hazard, or chemical corrosion or regular strenuous vibration.

From the date of purchase within one year instrument, is a product quality problem free repair replacement, lifetime supply of maintenance and technical services. The instrument has found anomalies or malfunctions please contact us to arrange the most convenient treatment options.

HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China.

What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.

Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on.