... circuit breaker for AC 50HZ, voltage 10 ~ 12KV three-phase power system, as breaking, Closing load current use, ... timems25~4513Total break timems≤10014Arcing timems≤2015Mechanism lifetimes100016Storage energy motor rated input powerW4017Rated operating voltage and auxiliary ... circuit rated voltageVDC220,110,24AC220,110,2418Storage energy time on rated voltages≤1019Over-current tripperRated ...