summary
        ZW7-40.5F(M) outdoor high voltage intelligent (permanent magnet) vacuum circuit breaker adopts a unique design of split pole and a high reliability spring operating mechanism or permanent magnet operating mechanism. The device is mainly used in the medium voltage overhead line power grid as the opening and closing load current, overload current and short-circuit current.

Model and its meaning


Main technical parameters


Main mechanical parameters


Outline and installation dimension(mm)