Mersen Ferraz Shawmut Fuse Block, Open Style, 600 VAC/VDC, 30 A, 3 Pole, 3 Phase, Class: T, Box Lug, 14 to 2 AWG Wire, DIN Rail/Threaded Mount, For Use With: A6T Series Fuse, Glass Reinforced Polycarbonate, 3.3 in L x 2.72 in W x 1.56 in H