Switch Rating Heat Current (A) :160,250,400,630A.Number of Poles:3, 4 1.SpecificationSwitch Rating Heat Current (A) Number of Poles Assorted Fuse Rated Current (A) 1603, 4NT004,6,10,16,20,25,32,35,40,50,63,80,100,125,160250NT180,100,125,160,200,224,250400NT2125,160,200,224,250,300,315,355,400630NT3315,335,400,425,500,6302.DimensionModel Assorted Fuse A B C D a b øc HR17-160/30 NT00106200832056625 ...