DW45(ACB,Intelligent circuit breaker)

SW45 (DW45 series) intelligent air breaker is applicable for distribution network of AC50Hz,rated voltage of 400V and 690V,and rated current of 630A - 320A,to distribute electric energy protection circuit and prevent power equipments from harm of overload,under-voltage,short circuit and single-phase earth etc.Provided with intelligent protecting function and precise selective protection,breaker can enhance the dependability of power supply and avoid unwanted power cut.Specifications: Frame size rated current inm(A)Rated current InARated insulation voltage(v)Rated limit short-circuit breaking capacity lcu(kA)Rated operating short-circuit breaking capacity lcu(kA)Rated short-time withstand current lcw kA(1s)400V690V400V690V2000630 800 1000 1250 1600 2000690805050405032002000 2500 32001006565506540003200 3600 400010065655065/8063004000 5000 630012080807085/100