Ferraz Shawmut Fuse Block, Open Style, 600 VAC/VDC, 30 A, 2 Poles, 2, Class: J, Fuse Holder Code: Z, Box Lug, 14 to 4 AWG Wire, Threaded Mount, -25 deg C, For Use With: AJT, A4J and HSJ Fuse, Glass Reinforced Polycarbonate, 4 in L x 3.15 in W x 2.12 in H