Omron E3S-BR31 | Omron Retroreflective Photoelectric Sensor 1m PNP

Description The Omron E3S-BR31 is a retroreflective photoelectric sensor designed for object detection up to 1 meter. It operates on a 10–30 VDC supply and features a PNP output with selectable Light-ON/Dark-ON modes. The sensor uses a red LED light source and is built for industrial environments requiring reliable optical detection. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Sensors & Switches Part Number E3S-BR31 Subcategory Photoelectric Series E3S-B Sensing Method Retroreflective, Polarized Sensing Distance 1 m Light Source Red LED (700 nm) Supply Voltage 10 – 30 VDC Output Type PNP Open Collector Response Time 500 µs Ingress Protection IP67 (NEMA 4X, 6) Operating Temperature -25°C to +55°C Connection Method Pre-wired Cable (2 m) Weight 0.10 lbs Information About E3S-BR31 The E3S-BR31 is part of the Omron E3S-B series of compact industrial photoelectric sensors. It utilizes a polarized retroreflective sensing method to detect objects with stable performance over a sensing distance of up to 1 m. The unit is equipped with a pre-wired 2 m cable for direct connection and supports a 10 to 30 VDC power supply. With an IP67 protection rating and adjustable sensitivity, it is suited for machine automation and conveyor-based detection systems. Key Features: Retroreflective Sensing: Polarized retroreflective detection up to 1 meter. Red LED Light Source: 700 nm wavelength for stable optical performance. PNP Output: Open collector output with Light-ON/Dark-ON selectable mode. 10–30 VDC Operation: Wide DC supply voltage range. Fast Response Time: 500 µs operate/reset response. IP67 Protection: Dust-tight and waterproof housing. Adjustable Sensitivity: Built-in potentiometer for fine adjustment. Pre-Wired Connection: Integrated 2 m cable for installation flexibility. The E3S-BR31 delivers the reliability and precision required for industrial object detection and positioning applications.