The Marathon/Kulka 411 GP series terminal blocks are robust, single-row solutions suitable for a variety of industrial applications requiring reliable power distribution. These blocks are rated for 300 Volts AC/DC and feature an open-back design, requiring an insulator strip for optimal voltage insulation. They accommodate wire sizes ranging from #18 to #20 AWG using a wire binding screw. Hardware options include quick connects, solder terminals, lugs, and printed circuit pins, allowing for flexible integration into diverse systems. UL and CSA certifications ensure compliance with recognized safety standards.