1.CKW1 (DW45) Intelligent air circuit breaker 2.conform to IEC60947-2, ... .2 standards. 3.Rated voltage:400V 4.3/4 poles CKW1 (DW45) Intelligent air circuit breakerMAIN TECHNICAL PARAMETERFrame classing rated current2000A3200A4000A63000ARated ... /400V65KA/690V80KA/400V65KA/690V100KA/400V70KA/690VNumber of poles3P,4PArcing distance0 CKW1 air case circuit breaker