The TBW45 series intelligent universal low-voltage circuit breaker (hereinafter referred to as the circuit breaker) is suitable for distributing electrical energy and protecting circuit and power equipment from overload , undervoltage , short circuit single-phase grounding and other faults in distribution networks with rated voltage of AC 50Hz up to 660V690V and rated current of 400A~6300A. 

He circuit breaker has intelligent protection function , selective protection , and precise protection , which can improve power supply reliability and avoid unnecessary power outages . Simultaneously equipped with an open communication interface for remote control to meet the requirements of centralized control centers and automation systems .