The Marathon/Kulka 650-XPR-04 is a fanning strip accessory designed to enhance the functionality and organization of terminal block systems. Specifically engineered for compatibility with 410 and 411 series terminal blocks, this accessory provides a solution for expanding and customizing terminal block configurations. Constructed from XP Phenolic material, it offers durability and electrical insulation. The accessory is available in a range of dimensions, allowing for versatile application in industrial automation, control panels, and power distribution systems. Its robust design and reliable performance make it a valuable addition to any electrical infrastructure.