... mini circuit breaker 10KA switch MCB mini circuit breaker TypeLGB16-63 MCBNumber of poles1P,1P+ ... ,3P+N,4PRated Current(In)1,2,3,4,6,10,16,20,25,32,40,50,63ARated Voltage(Un)AC ... releases operateB curve: between 3 and 5 In C curve: between 5 and 10 In D curve: between 10 and 20 InEndurance≥ 4000Terminal protectionIP2LX