The OPB490P11Z is a Photologic® slotted optical switch with an opaque shell and wire leads. It features a 0.01 aperture and a buffered 10Kohm output. This optical switch is designed to provide reliable and accurate sensing capabilities in various applications. With its compact and durable design, it is suitable for use in industrial automation, robotics, and other demanding environments. The OPB490P11Z is an excellent choice for high-performance optical sensing requirements with its precise and consistent performance.