The Marathon/Kulka 411-GP-08 is a robust single-row terminal block designed for reliable electrical connections in a variety of industrial applications. Constructed with a phenolic base and plated brass terminals, this block offers durability and excellent conductivity. It supports 1 to 23 poles with a 1/4" center spacing and accommodates wire sizes from #18 to #20 AWG, making it versatile for different wiring needs. The open-back design requires an insulator strip for optimal voltage rating, and various hardware options are available to suit specific mounting and connection requirements. UL Recognized and CSA Certified, ensuring compliance with industry standards.