Product introduction: ZW32-40.5F(M) outdoor high-voltage intelligent (permanent magnet) vacuum circuit breaker is mainly composed of integrated solid-sealed pole, current transformer, operating mechanism and box. A disconnect switch can be installed. This type of circuit breaker has a miniaturized design, and the shell is made of high-quality steel box. Current transformers can be selected according to user needs. The device is mainly used in medium-voltage overhead line power grids for dividing and combining load currents, overload currents and short-circuit currents. Normal conditions of use: Ambient temperature: not higher than +40ºC, not lower than -15ºC; Air relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%; The altitude does not exceed 1000 meters; Earthquake intensity does not exceed 8; A place free from fire, explosion, serious pollution, chemical corrosion and severe vibration. Product Drawing:. Ah-3s-40.5 Outdoor Vacuum Circuit Breaker