Overview

       ZW7-40.5F(M) outdoor high voltage intelligent (permanent magnet) vacuum circuit breaker adopts a uniquely designed split pole and a highly reliable spring operating mechanism or permanent magnet operating mechanism. This device is mainly used in medium voltage overhead line power grids to open and close load current, overload current, and short circuit current.

       The device is mainly used in medium voltage overhead line power grids to disconnect and connect load current, overload current and short circuit current.

Model meaning

Environmental conditions

◆ Ambient air temperature: -30℃~+60℃;

◆ Altitude: no more than 3000 meters;

◆ Wind speed does not exceed 34m/s;

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

◆ Filth level: Level IV;

◆ Storage temperature: -40℃~+85℃.

Main technical parameters of circuit breaker

Appearance and installation dimensions (mm)

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