... no less than 6000 operations protection degree:IP20 mini circuit breakers,breakers Number of Poles:1P,1P+N,2P,3P,3P+N ... ,4PRated current(A):1,2,3,4,6,10,16,20,25, ... 32,40,50,63Breaking capacity(A):6000,4500Rated voltage(V):230/400Rated frequency:50/60HzEndurance:≥ ... life:no less than 20000 operationsProtection Degree:IP20 Circuit breaker(mini circuit breakers,breakers)