Fuse Block Fits Fuse Type Industrial Fuse UL Class J 201 to 400 A Number of Poles 1 600V AC/300V DC For Fuse Size 7 1/8 in L x 2 1/8 in dia 7 1/8 in L x 2 in dia Compatible Fuse Series A4J AJT DFJ HSJ JKS JLS JTD JTD-ID LDFJ LPJ LPJ-I Series JM Nonindicating Nonrejection Fuse Block Design Open Wire Range 4 AWG to 600 MCM Mounting Style Bolt-Down DIN Rail Body Material Thermoplastic Connector Type Box Lug Height 4.8 in Width 3.58 in Length 10.11 in