Mersen Ferraz Shawmut Fuse Block, Open Style, 600 VAC/VDC, 100 A, 3 Pole, 3 Phase, Class: T, Box Lug, 12 to 2/0 AWG Wire, DIN Rail Mount, For Use With: A6T Series Fuse, Phenolic, 4.78 in L x 4.38 in W x 1.95 in H