The Marathon/Kulka 411-GP series terminal blocks are designed for reliable power distribution in various industrial applications. These single-row blocks offer a robust solution for connecting wires and components, featuring a phenolic base for heat resistance and an open-back design that may require an insulator strip for optimal voltage ratings. They are suitable for applications requiring 300 Volts AC/DC and are available with various hardware options to accommodate different connection needs. UL Recognized and CSA Certified for safety and performance.