... *630,1250,1600,2000,2500,3150,5Rated 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 current50,63,80,100,12550,65,8250,63,808Rated short-circuit making current ... industrial facilities.Welcome to our fty. V-Sa 12/17.5/24/40.5kV Indoor Medium Voltage Vacuum Circuit Breaker(VCB)