Product Overview
ZW□--40.5M outdoor high-voltage permanent magnet vacuum circuit breaker adopts a one-piece solid sealing column and a high-reliability operating mechanism. The device is mainly used in the medium voltage overhead line power grid, as a load distribution and combination of load current, overload current, short circuit current.
High Reliability
Maintenance-free throughout the entire service life
It has a high mechanical life and electrical life
The whole machine is small in size, light in weight, and easy to install
Normal conditions of use
̈ Ambient air temperature: -30°C~+60°C;
̈ Altitude: no more than 3000 meters;
̈ Wind speed not exceeding 34m/s;
̈ Vibrations or ground movements from outside the switchgear and control equipment are negligible;
̈ Pollution Level: Class IV;
̈ Storage temperature: -40°C~+85°C.