Number of poles(P): 3P Rated current(A): 16,25,40,63,80,100,125,160,200,250 ... the normal conditions. 2. Specification Type Poles number Rated current(A) Utilization category Rated breaking capacity(KA) 240V380V 415V 500V 600V ... ,50A5/1010/7.57.5/57.5/52.5/1.5-NF-60SS 360A50/1010/7.57.5/57.5/52.5/1.5-NF-100SS 3,460 ... ,70,100A50/4230/207.5/ ...