The product is used in three-phase A.C. 50Hz, 110KV power system, it is a control and protection equipment of the power system, also can be used as a coupling circuit breaker. no higher than 2000m, ambient temperature: -25℃ to +40℃, max wind speed: no more than 34m/s, pollution level : no more than IV, earthquake intensity: doesn’t exceed 8°, indoor and outdoor installation.
(1) National key technology development project.
(2) Adopt the latest international self-energy arc-extinguishing technology.
(3) Use a lot of new materials.
(4) Small operating power.
(5) High reliability.
(6) Low radio interference level.
(7) Competitive price.
Main technical data：
Rated power frequency withstand voltage
Rated lightning impulse withstand voltage
Rated short circuit breaking current
Rated peak withstand current
Rated short time withstand current
Rated short circuit closing current
Rated duration of short circuit
Rated SF6 gas pressure （gauge pressure, at 20℃）
Operating mechanism equipped