Marathon; Power Distribution Block; Wire Size: Line Side: (1) 2/0 - 14 Awg, Loadside: (4) 4 - 14 Awg; Amperage Rating: 175 Amp For Copper Wire, 135 Amp For Aluminum Wire; Voltage Rating: 600 Vac/dc; Material: Connector: Tin Plated High Conductivity Aluminum; Insulator Base: Glass Filled Polycarbonate (thermoplastic); Terminal Set Screws: Nickel Plated Steel And Tin Plated Aluminum; Connector Mounting Screw: Zinc Plated Steel; Hinged Cover: Glass Filled Polycar; Mounting: 7.500 X 35 Mm Din Rail Or Panel Mountable; Size: 2.550 In Length X 3 In Width X 2.570 In Heigth; Maximum Insulator Base Temperature: 125 Deg C Ul Rti; Flammabilityrating Of Insulator Base: Ul 94v-0; Accessories: End Bracket For Din Rail Mounting :msk35, Marker Strips, Din Rail (35 X 7.5 Mm, 2 M Long, Slotted): Mn35-2; Storage And Transportation Temperature Range: -35 Deg C To 110 Deg C; Number Of Poles: 3; Includes: Snap-on Hinged Cover