Fuse Block Fits Fuse Type Industrial Fuse UL Class T 401 to 600 A Number of Poles 1 600V AC/DC For Fuse Size 3 1/16 in L x 1 1/4 in dia Compatible Fuse Series A6T JJS JLLS LPT Series T Nonindicating Nonrejection Fuse Block Design Open Wire Range 4 AWG to 600 MCM Mounting Style Bolt-Down Body Material Phenolic Connector Type Box Lug Height 3.44 in Width 3 in Length 6.75 in Features Barriers Between Conductors Standards CSA Certified UL Listed