Fuse Block, Fits Fuse Type Industrial, Fuse UL Class H, K5, 31 to 60 A, Number of Poles 3, 250V AC/DC, For Fuse Size 3 in L x 13/16 in dia, Compatible Fuse Series NLN, NON, OT, REN, RF, RLN, Series 2HKRFB, 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 4.08 in, Length 4.75 in, Spring Reinforced Clip Yes, Features Spring Reinforced Clip