Bussmann Fuse Block, Modular, Series: JM Series, 600 V, 0 to 30 A, 3 Pole, Class: J, Box Lug/Slot Screw, 14 to 2 AWG Cu, 8 to 2 AWG Al Wire, DIN Rail/Panel Mount, 2-1/4 in Fuse Length, 0.81 in Fuse Dia, -40 to 120 deg C, For Use With: Low-Peak LPJ Series Time Delay, Limitron JKS, DFJ Series Ferrule Fuse, Thermoplastic, 4.3 in L x 3.3 in W x 2.3 in H