NDW1 Air Circuit Breaker,circuit breaker,ACB 1.Pole: 3 or 4 2.Dielectric Capability: AC50Hz 3600V/min 3."Naidian"

 NDW1 Air Circuit Breaker,circuit breaker,ACB

Applicant: NDW1 Series Intelligent Universal Circuit Breaker i. E. ACB, is mainly used in the low voltage distribution switchboard to control and protect power distribution system. Its technical index reaches the international advanced standard of that kind of products in 1990s and conforms to criteria for low voltage breaker in IEC60947-2 Pole: 3 or 4 Rated Ultimate Short-circuit Breaking Capacity Icu(kA)(effective value) AC400V: 80, 100, 120 AC690V: 50, 65, 75 Rated Ultimate Short-circuit Breaking Capacity Icu(kA)(effective value) AC400V: 50, 80, 100 AC690V: 50, 65 Rated Short-circuit making Capacity Icm(kA)(peak) AC400V: 176, 220 AC690V: 105, 143, 165 Rated Short-circuit Withstand Current (1s)Icw(kA)(effective value) AC400V: 50, 80, 100 AC690V: 40, 50, 65 Dielectric Capability: AC50Hz 3600V/min Frame Rated Current Inm(A): 2000, 3200, 4000, 5000 Rated current In(A): 630, 800, 1000, 1250, 1600, 2200, 2500, 2900, 3200, 3600, 4000, 5000 Rated operational voltage Ue(V): AC50Hz 400, 690 Rated Insulation Voltage Ui(V): AC50Hz, 1000

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NDW1 Air Circuit Breaker