Air case circuit breaker

DW45 seriesair case circuit breaker (ACCB)is suitably used in AC 50Hz, rated voltage 400V and 690V and rated current up to 6300Afor electric power distribution and protection of circuits and power supplies against overload, under voltage, short circuit. Provide with intelligent protecting function and precise selective protection, breaker can enhance the dependability of power supply and avoid unwanted power cut. SPECIFICATION ModelDW45-2000DW45-3200DW45-4000DW45-6300Frame rated current Inm(A)2000320040006300Number of poles3,43,43,43,4Rated current In(A)630,800,1000, 1250,1600,20002000,2500, 32003600,40004000,5000, 6300Icu(kA)400V8080100100690V50657575Ics=Icw(kA)400V506580100690V40506565Inherent making&breaking time23 32msArcing distance(mm)0Operational performance(operations)Electric life500Mechanical lifemaintenance-free: 2500, maintenance: 10000Type(Classification)Assembly modeFixed, Withdrawablecontroll methodStandard type(M), Telecommunication type(H)