Fuse Block Fits Fuse Type Industrial Fuse UL Class J 31 to 60 A Number of Poles 3 600V AC/DC For Fuse Size 2 3/8 in L x 1 1/16 in dia Compatible Fuse Series A4J AJT DFJ HSJ JKS JLS JTD JTD-ID LDFJ LPJ LPJ-I Series JFB Nonindicating Nonrejection Fuse Block Design Open Wire Range 14 to 2 AWG Mounting Style Bolt-Down Body Material Glass Filled Polycarbonate Connector Type Box Lug Height 2.12 in Width 4.65 in Length 4 in Spring Reinforced Clip Yes Features Space Saver