What it is
The XUYFA983003COS is a photoelectric sensor from the Telemecanique XUY line, catalogued under Square D Switches & Sensors. It sits in the photoelectric sensor category — used for non-contact detection of objects across conveyor, packaging, and assembly cells where a through-beam, retro-reflective, or diffuse photo eye fits the geometry.
Traceability and codes
Manufacturer brand on file is Square D Switches & Sensors, with the product description carrying the Telemecanique XUYFA983003COS designation — both names point at the same catalog code.