The Marathon/Kulka 671-RZ-28 series terminal blocks are designed for reliable power distribution in industrial applications. These double row terminal blocks offer a closed-back design for enhanced safety and insulation. They accommodate a wide range of wire gauges (#12 - #22 AWG) using pressure screws and are rated for 300 Volts AC/DC with a current carrying capacity of 20 Amps. The blocks are constructed with a thermoplastic base, plated brass terminals, and utilize #6-32 binder head screws. They are UL Recognized and CSA Certified, ensuring compliance with industry standards. Hardware options are available to suit various connection needs, including quick connects and solder terminals.