Fuse Block Fits Fuse Type Industrial Fuse UL Class R 31 to 60 A Number of Poles 3 600V AC/DC For Fuse Size 5 1/2 in L x 1 1/16 in dia Compatible Fuse Series A6D-R A6K-R FRS-R KLSR KTS-R KWS-R LLSRK LPS-RK TRS-R Series 2HKRFB Nonindicating Rejection Fuse Block Design Open Wire Range 14 to 2 AWG Mounting Style Bolt-Down Body Material Glass Filled Polycarbonate Connector Type Box Lug Height 2.22 in Width 12 in Length 1.59 in Spring Reinforced Clip Yes