Mersen Ferraz Shawmut Fuse Block, Open Style, 250 VAC/VDC, 200 A, 1 Pole, 1, Class: H, Box Lug/Side Clip, 6 AWG to 350 kcmil Wire, Threaded Mount, For Use With: OT, RF, A2Y Types 1 and 3 OTN, CRN and NRN Fuse, Phenolic, 8 in L x 3 in W x 2.9 in H