Fuse Block Fits Fuse Type Industrial Fuse UL Class H K5 31 to 60 A Number of Poles 3 600V AC For Fuse Size 5 1/2 in L x 1 1/16 in dia Compatible Fuse Series NLS NOS OTS RES RFS RLS Series HM Nonindicating Nonrejection Fuse Block Design Open Wire Range 14 to 2 AWG Mounting Style Bolt-Down DIN Rail Body Material Thermoplastic Connector Type Box Lug Height 2.6 in Width 4.5 in Length 7.3 in Spring Reinforced Clip Yes Standards CE CSA Certified REACH RoHS UL Listed