Mersen Ferraz Shawmut Fuse Block, Open Style, 300 VAC/VDC, 30 A, 3 Pole, 3, Class: T, Box Lug, 14 to 2 AWG Wire, Threaded Mount, For Use With: A3T Series Fuse, Glass Reinforced Polycarbonate, 3.65 in L x 2.73 in W x 1.47 in H