ZW7-40.5kV Series Outdoor High Voltage Vacuum Circuit Breaker

ZW7-40. 5 Series is an outdoor high voltage vacuum circuit breaker. It  is a kind of outdoor high voltage switch equipment with 50HZ  three-phase alternating current and 40. 5KV  rated voltage. The inserted spring operation system or electromagnetism operation system can remote control to break and close the brake by electromotion or by hand, it can manually store power on the spot. The design performance accords with gb 1984-89, The national standard of the alternating current high-voltage breaker and meets the standard of international electrician committee for high-voltage alternating current breaker.  ZW7-40. 5  Series outdoor high-voltage vacuum circuit breaker is mainly applied to control and protect the outdoor 35KV  transmission and transformation power system, Protect the normal operation and short circuit in the city or village distribution power system and industry or mining enterprises. The general configuration of this product is porcelain flask support ;The upper porcelain flask is a vacuum arc-extinguishing chamber, the lower one is for support. It is applied to be used in frequent operation. This product has the advantages of good sealed performance, anti-aging, High-aging, High-voltage resistant, Non-combustion, Non-explosion, Long age limit, Covenience for installation and maintenance.