... numberRated current(A)Rated voltage(A)on & off capacityNF50-CP310,15,20,30,40,50600V400V AC/5kA 500V AC/2.5kANF60 ... 400V/18kA AC500V/10kA TypeNF30-CSNF50-CSNF60-CS NF100-CSNF250-CS NF400-CSNF630-CS NF800-CS NF1250-CS Rated current of frame(A)30 50 ... rated current(40°C) 3,5,1015,20,30 10,15,2030,40,50 60 60,75,100 125,150175,200225 ...