... illuminating distribution board and used in guesthouses.,block of flats,high buildings.squres,airports,rail way stations,plants and enterprises etc ... ,4,6,10,16,20,25,32,40,50,63Rated voltage(Un) AC240/415VRated frequency 50/60HzTripping curve B,C,DRelease ... Treatmen 2(RH95%,at 55)Protection degree IP20Update Date:2010-5-11 18:31:43 BH Mini Circuit Breaker