... and overloading protective functions C65 Miniature Circuit BreakerC65 series circuit breaker belongs to the advanced level of the nineties in the ... ,4,6,10,16,20,25,32,40,50,63Rated voltage(Un) AC230/400VRated frequency 50/60HzTripping curve B,C,DRelease action ... 2(RH95%,at 55)Protection degree IP20 C65 Miniature Circuit Breaker