ReeR 8011499 AU S3M2 Light Curtain Control Unit

The ReeR AU S3M2 Light Curtain Control Unit (Part No. 8011499) is a compact 24 VDC safety controller designed for ARGOLUX AS light curtain systems, delivering fast, reliable control of the safety field and interlock logic for industrial equipment. It operates from a 24 VDC supply, draws 8 W, and achieves a maximum response time of 15 ms, with screw-terminal connectors to connect a safety light curtain emitter and receiver (NO, NC contacts, 24 VDC, up to 5 W maximum load per path) in an ARGOLUX AS setup. The AU S3M2 is rated ESPE Type 2, weighs about 0.7 kg, and supports a 0–55 °C operating range, aligning with typical industrial safety controller environments; it carries CE, cULus, and TUV certifications for safety and electrical compliance. Market notes indicate the part is currently discontinued by the manufacturer and may appear as used or refurbished in catalogs, with some listings showing its association with ARGOLUX AS safety light curtains.