Product description

        The ZW7-40.5F(M) outdoor high-voltage intelligent (permanent magnet) vacuum circuit breaker uses a uniquely designed split pole and a highly reliable spring operating mechanism or permanent magnet operating mechanism. The device is mainly used in the medium voltage overhead line power grid, and is used for dividing and combining load current, overload current and short circuit current.
        The device is mainly used in medium voltage overhead line power grids, which are used for dividing and combining load current, overload current and short circuit current.。

Model meaning

Environmental conditions

◆ Ambient air temperature: -30 ° C ~ +60 ° C;

◆ Altitude: no more than 3000 meters;

◆ The wind speed does not exceed 34m/s;

◆ Vibration or ground motion from outside the switchgear and control equipment is negligible;

◆ Pollution level: Grade IV;

◆ Storage temperature -40 ° C ~ +85 ° C.

Main technical parameters of circuit breaker

Shape and installation size (mm)

ZW7-40.5F(M) outdoor high-voltage intelligent (permanent magnet) vacuum circuit breaker adopts uniquely designed split pole and high reliability spring operating mechanism or permanent magnet operating mechanism。