... ,2500,3150,5Rated short-circuit breaking currentkA20,25,31.5,40,5020,25,31.56Rated short time withstand currentkA20,25,31 ... .5,40,5020,25,31.57Rated peak withstand current50,63,80,100 ... facilities.Welcome to our fty. V-Sa 12/17.5/24/40.5kV Indoor Medium Voltage Vacuum Circuit Breaker(VCB)