Mersen Ferraz Shawmut Fuse Block, Open Style, 250 VAC, 30 A, 3 Pole, 3, Class: R, Fuse Holder Code: H, Pressure Plate, 14 to 10 AWG Wire, Threaded Mount, 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