Omron E3B2-R7M4-US | Omron Long-Range Photoelectric Sensor 7 m Infrared SPDT Relay

Description The Omron E3B2-R7M4-US Photoelectric Sensor is a long-range, non-polarized retroreflective sensor designed for reliable object detection in industrial automation systems. Featuring a pulse-modulated infrared LED and SPDT relay output, it provides dependable performance across a sensing distance of up to 7 meters. This plug-in base style sensor supports both AC and DC supply voltages, making it versatile for a wide range of control applications. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Industrial Automation and Controls Part Number E3B2-R7M4-US Subcategory Photoelectric Sensors Series E3B2 Series Type Non-Polarized Retroreflective Photoelectric Sensor Light Source Pulse Modulated Infrared LED Sensing Distance 7 m (retroreflective target) Sensing Method Non-Polarized Retroreflective Output Configuration SPDT Relay Output Operating Voltage Universal AC/DC Supply Rated Supply Range 12–240 VDC or 24–240 VAC (typical) Current Consumption Approx. 50 mA (typical) Body Style Rectangular Mounting Type Plug-In Base Connection Method Screw Terminals Features Mutual Interference Protection Response Time Typically 20–30 ms Enclosure Rating NEMA and IP Rated (varies by mounting) Housing Material Industrial-grade plastic or die-cast alloy Operating Temperature Range -10°C to +55°C Compliance CE Certified Weight Approx. 0.25 kg (0.55 lb) Information About E3B2-R7M4-US The E3B2-R7M4-US belongs to Omron’s E3B2 Series of photoelectric sensors, engineered for stability, long sensing distances, and easy installation. It utilizes a non-polarized retroreflective infrared sensing method, eliminating issues with light polarization while maintaining strong signal detection. The sensor operates on universal AC/DC voltage input and features an SPDT relay output for flexible control logic integration. Built in a durable rectangular housing with screw terminal connections, it offers mutual interference protection and dependable performance even in high-noise environments. Key Features: Long-Range Detection: Detects targets up to 7 meters away for extended reach applications. Non-Polarized Retroreflective Design: Ensures accurate detection regardless of light polarization or object orientation. Infrared LED Source: Pulse-modulated for stable sensing and resistance to ambient light interference. Universal Power Supply: Operates on both AC and DC voltages for flexible system compatibility. SPDT Relay Output: Supports direct switching in control or signaling circuits. Plug-In Base Mounting: Simplifies installation, replacement, and maintenance. Mutual Interference Protection: Allows multiple sensors to operate closely without signal cross-talk. Durable Construction: Built for reliability in industrial environments with consistent, long-term operation. The E3B2-R7M4-US delivers the reliability and precision required for object detection, positioning, and automation safety in industrial control systems.