The Allen-Bradley 440L-R4K0480YD is a GuardShield™ Micro 400 safety light curtain receiver, engineered for robust point-of-operation guarding in industrial environments. This compact and cost-effective safety device provides reliable personnel protection from machinery hazards. With a 30 mm resolution, it is designed for hand detection, preventing access to dangerous areas while a machine is in operation. The 480 mm protective height covers a significant area, and its solid-state OSSD outputs ensure a fast and dependable response. The integrated 4-pin M12 quick-disconnect makes installation and maintenance straightforward, minimizing downtime and simplifying integration into existing safety circuits.