... Breakers (MCB) are designed to protect cables and electrical equipment from two main types of fault.ManufacturerStandardConfirming to EN/IEC60898Breaking capacity10KAProtectionAgainst ... , In0.5,1,2,3,4,6,10,13,16,20,25,32,40,50,63ARated voltage1pole 230/400VAC 50/60Hz2,3 ... : B: (3-5)×In C: (5-10)×In D: (10-20)×InNumber of poles1P,1P+N,2P,3P,3P+N and ...