Structure & Functions

Originating from international mature technologies, the new generation MV fully-insulated vacuum circuit breaker is developed by Minghan with intellectual property rights;
Perfectly meeting the requirements of GB, DL, IEC and other special standards;
E2-M2-C2 class circuit breaker with long service life in both electrical and mechanical terms and ultralow arc restriking rate;
Complete product portfolio satisfying various user and power distribution system demands;
The whole series of products pass complete type tests;
Fully-insulated pole ensuring reliable operation of circuit breaker under various working conditions;
Equipped with low resistance vacuum interrupter to reduce energy consumption and eliminate the temperature rise issue of fully-insulated high current circuit breaker;
Completely modularized operating mechanism, convenient for maintenance, safe and reliable.
Main technical parameters
Rated voltage &nbs