Marathon; Power Stud Block; Wire Size: Line Side: Listed Ring Lugs Or Bus Bars,load Side: Listed Ring Lug Or Bus Bars; Voltage Rating: 600 Vac/dc; Amperage Rating: 230 Amp; Material: Connector: Tin Plated High Conductivity Copper; Insulator Base: Phenolic; Threaded Stud: Tin Plated Brass; Hex Nut: Nickel Plated Brass(1 Supplied Per Stud); Size: 5 In Length X 4 In Width X 2.610 In Heigth; Maximuminsulator Base Temperature: 150 Deg C Ul Rti; Flammability Rating Of Insulator Base: Ul 94v-0; Accessories: Cover: Clear Protective Plastic Cover. Catalog Description Cc143x (x Numbers Of Poles: 1, 2 Or 3), Marking Strip: White Vinyl Stripto Mark Circuits. Supplied With Mounting Screws; Storage And Transportation Temperature Range: -35 Deg C To 125 Deg C; Number Of Poles: 3; Short Circuit Currentrating: 10000 Amp