HUM18-Z-50 series DC circuit breaker 1.High quality 2.Overload current protection. 3.CE Certificate Application range ... apparatus in the circuit of rated voltage DC 230V and rated current 50A.It is also applied in ... 2000 standard.Main technical parameter:1. Frame size rated current Inm: 50A2. Rated voltage Ue: 220V(1 pole ... 440V(2 poles)3. Time constant: T≤4ms4. Rated current In: 6, 10, 16, 20, 25, 32, ...