... used in transformation of circuit unfrequency under the normal conditions. 2. SpecificationTypePoles numberRated current(A)Utilization categoryRated breaking capacity(KA)240V380V415V500V600V600VAM11 ... 150,175,200,225,250A50/4230/2225/1518/1515/105/2.5AM11-400SS3,4250,300,350,400A85/6050/3525/2035/2525 ... 125CW360,75,100,125A50/4230/207.5/515/1010/55/2.5AM11-250CW3125,150,175,200,225,250A50/4230/2225/1518 ...