Mersen Ferraz Shawmut Fuse Block, Open Style, 600 VAC/VDC, 400 A, 3 Pole, 3, Class: J, In-Line Clip, 6 AWG to 350 kcmil Wire, Threaded Mount, -25 deg C, For Use With: AJT, A4J and HSJ Series Fuse, Phenolic, 10 in L x 8 in W x 3.62 in H