Fuse Block Fits Fuse Type Industrial Fuse UL Class R 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 A2D-R A2K-R FLNR FRN-R KLNR KTN-R KWN-R LLNRK LPN-RK TR-R Series LFR Indicating Rejection Fuse Block Design Open Wire Range 14 to 6 AWG Mounting Style Bolt-Down DIN Rail Body Material Thermoplastic Connector Type Box Lug Height 2.26 in Width 4.1 in Length 4.71 in Spring Reinforced Clip Yes