The Phoenix Contact RIF-V-120-230 UC plug-in module is a critical component for industrial control and automation systems. Designed to be mounted on RIF-1, RIF-2, RIF-3, and RIF-4 terminal rails, this module provides robust voltage surge protection with its integrated varistor. It supports an input voltage range of 120-230V AC/DC ±20%, making it suitable for a wide range of applications. The module is CSA certified and complies with relevant standards, ensuring reliable performance and safety in demanding industrial environments. Its compact design and ease of integration make it a valuable addition to any control panel or distribution board.