The Allen Bradley 42FA-F2LNA-P3 is a fiber optic sensor designed for applications requiring precise detection through small apertures. This model features a side through-hole configuration and emits a visible red light, making alignment straightforward during setup. It offers manual adjustable sensitivity, allowing fine-tuning to suit specific operational needs. The sensor operates with NPN sinking logic and supports DC load options, which can be selected between low or output modes. Distributed by BSP Automation, this fiber optic sensor provides reliable performance in various automation environments where compact and accurate sensing is essential.