Patent

Patent

Patent

Patent

Patent for Hard-Wired Circuit Breakers

Patent for Circuit Breakers Utilizing Internal-connection

As a result of its continuous independent research, Zhongzuan has obtained many patented technologies for the production of its intelligent air circuit breaker, molded-case circuit breaker, earth-leakage circuit breaker, etc. These patented technologies include internal linkage of earth-leakage circuit breaker, earth-leakage circuit breaker with hard links at leakage parts, moulded case circuit breaker (thermal magnetic adjustable) improved with electromagnetic tripping device, moulded case circuit breaker (thermal magnetic adjustable) improved with thermal tripping device, improved arching chamber of circuit breaker, improved connection of circuit breaker, etc.

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