Mersen Ferraz Shawmut Fuse Block, Open Style, 250 VAC, 30 A, 3 Pole, 3, Class: R, Fuse Holder Code: H, Box Lug, 14 to 2 AWG Wire, Threaded Mount, -25 deg C, For Use With: A2D-R, A2K-R and TR-R Series Fuse, Glass Reinforced Polycarbonate, 3 in L x 3 in W x 1.38 in H