Fuse Block Fits Fuse Type Industrial Fuse UL Class R 31 to 60 A Number of Poles 2 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 6HKRFB Nonindicating Rejection Fuse Block Design Open Wire Range 14 to 4 AWG Mounting Style Bolt-Down Body Material Glass Filled Polycarbonate Connector Type Box Lug (Cu) Height 2.12 in Width 3.16 in Length 4 in Spring Reinforced Clip Yes