Fuse Block Fits Fuse Type Industrial Fuse UL Class J 201 to 400 A Number of Poles 3 600V AC/DC Compatible Fuse Series JTD JTD-ID Series LFJ Nonindicating Nonrejection Fuse Block Design Open Wire Range 350 kcmil to 1/0 Mounting Style Bolt-Down DIN Rail Body Material Thermoplastic Connector Type Box Lug Height 10.00 in Width 3.32 in Length 9.32 in Spring Reinforced Clip Yes Features Phenolic Blocks Have Side Barriers for Isolation