Blue Sea Systems 30 Amp 12 Circuit Terminal Block 2512Allows for the termination of 12 separate 30 amp circuits. Closed back design completely insulates power from the mounting surface Each screw pair is one isolated circuit Terminal block jumpers (sold separately) allows the creation of common circuits Nickel plated brass bus Nylon base material 600V AC/DC maximum voltage 30 amp continuous rating #8 screw terminal size 7.70 in. long 1.31 in. wide 7.29 in. mounting centers CE certified