Fuse Block Fits Fuse Type Industrial Fuse UL Class H K5 61 to 100 A Number of Poles 1 600V AC For Fuse Size 7 15/16 in L x 1 5/16 in dia Compatible Fuse Series NLS NOS OTS RES RFS RLS Series HM Nonindicating Nonrejection Fuse Block Design Open Wire Range 14 to 1 AWG Mounting Style Bolt-Down Body Material Thermoplastic Connector Type Box Lug Height 2.8 in Width 2 in Length 8.7 in Spring Reinforced Clip Yes Features Heating and Other Circuits Protect Lighting