The Square D Sensors & Safety (Telemecanique) XS4P30PB370D is an inductive proximity sensor listed as a current-production catalogue line, carrying UPC 389110927156 for pack-level traceability.
Inductive proximity sensors of this class detect metallic targets without contact, typically landing on conveyor skids, indexing tables and valve-position feedback inside control panels, where the short barrel and fixed switching distance fit a panel-side DIN layout.