... Rated breaking capacity(KA) 240V380V 415V 500V 600V 600V NF-30CS 2,33,5,10,15,20,30A5/25/22.5/12 ... .5/1--NF-50CS 2,310,15,20,30,40,50A5/25/22.5 ... 25/22.5/12.5/1--NF-100CS 2,360,70,100A25/1310/510/57/4--NF-250CS 3125,150,175,200,225 ... 600,630A50/3536/1825/1315/8--NF-30SS 33,5,10,15,20,30A5/55/2.52.5/1.52.5/1 ... 350,400A50/2536/1825/1315/8--NF-60CW 310,20,30,40,50,60A5/55/2.52.5/1.52.5/1 ...