... ,Manufacturer of MCCB 4,High breaking capacity NF series circuit breaker is feature of reliable working out and steady,performance, ... etc.It can be used in the circuit of 50Hz or 60Hz,rated voltage up to 600V.It is used ... ,32,40,50,6063,80,100,125Number of poles23234234Rated voltage Ue(V)AC380~690V DC250AC380~690V DC250AC380~690V DC250Rated ... .751.11.40.741.11.4Automatic tripping deviceThermal-magnetic