The OPB990L51Z is a versatile slotted switch from OPTEK Technology, housed in an L package for easy installation. This compact and reliable sensor features a slotted design, allowing for accurate detection of objects passing through the slot. With high sensitivity and a long operating life, the OPB990L51Z is ideal for a wide range of applications, including industrial automation, robotics, and security systems. Trust OPTEK Technology for high-quality sensing solutions that meet your exact needs.