Short Description:

Zw7-40.5 series outdoor high voltage vacuum circuit breaker is three-phase AC 50Hz. Outdoor high-voltage switchgear with a rated voltage of 40.5Kv. Equipped with spring operating mechanism or electromagnetic operating mechanism, it can remotely control the electric parting and closing, and can also be manually stored energy, manually parting and closing. The design performance meets the requirements of GB1984 “AC high voltage circuit breaker” national standard, and meets the requirements of IEC62271:100 “High voltage AC circuit breaker” International Electrotechnical Commission standard. ZW7-40.5 vacuum circuit breaker is mainly used for the control and protection of outdoor 35KV power transmission and transformation system, and is also suitable for the normal operation and short circuit protection of urban and rural power distribution networks and industrial and mining enterprises. The overall structure of the product is porcelain pillar type; The upper porcelain bottle is equipped with a vacuum arc extinguishing chamber, and the lower porcelain bottle is a pillar porcelain bottle. Suitable for frequency operation. It has the characteristics of good sealing, anti-aging, high pressure resistance, no combustion, no explosion, long service life, easy installation and maintenance.