The FOTEK A3T-3MX is a highly reliable through-beam photoelectric sensor designed for precision object detection in demanding industrial automation environments. Operating on a wide-range “free power” supply of 20 to 260V AC/DC, this photo switch offers exceptional versatility and seamless integration into various electrical control systems without the need for external power converters. The system consists of separate emitter and receiver units, ensuring accurate and consistent performance. Its robust receiver is equipped with a high-capacity 5A maximum relay output, providing both Normally Open (NO) and Normally Closed (NC) contacts for flexible wiring. Built to withstand harsh factory conditions, the A3T-3MX features an IP-65 protection rating against dust and water ingress. Manufactured in Taiwan and fully CE and RoHS compliant, it guarantees international safety, environmental responsibility, and long-lasting durability.