The Marathon/Kulka 671-RZ series terminal blocks are designed for reliable power distribution in industrial applications. These double row terminal blocks offer a robust construction with a thermoplastic base, steel screws, and plated brass terminals. They are rated for 300 Volts AC/DC and support wire gauges from #12 to #22 AWG, making them suitable for a wide range of electrical systems. The closed-back design enhances safety and prevents accidental contact. Available in configurations from 1 to 30 poles, these terminal blocks provide flexibility for various circuit designs. They are UL Recognized and CSA Certified, ensuring compliance with industry standards. Hardware options are available to suit different connection needs.