... 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 ... satisfaction enterprise/product of Fujian Province" and so on.5.ServiceOver 100 First-class engineers and researchers dedicated in the ... equipped industrial facilities.Welcome to our fty. V-Sa 12/17.5/24/40.5kV Indoor Medium Voltage Vacuum Circuit Breaker(VCB)