Omron E3RB Photoelectric Sensor
The Omron E3RB Photoelectric Sensor is an industrial optical sensor designed for dependable object detection in automation applications. As part of the Omron E3 Series, this model is positioned within Omron’s photoelectric sensor range and supports sensing methods suited for demanding industrial use. The E3RB series is applied where stable detection and long sensing distances are required. Its optical design supports reliable operation in production and material handling systems. These sensors are manufactured by Omron under the Omron Photoelectric Sensors category.
Omron E3RB-DN12 2M Photoelectric Sensor
Photoelectric Sensor, Diffuse-reflective, Radial type, Metal, 300 mm Sensing distance, Red LED, 10 to 30 VDC Power supply, NPN output, Pre-wired, 2 m Cable.
Omron E3RB-DN22 Photoelectric Sensor
Photoelectric Sensor, Diffuse-reflective, Radial type, Metal, 300 mm Sensing distance, Red LED, 10 to 30 VDC Power supply, NPN output, M12 Connector.
Omron E3RB-DP11 2M Photoelectric Sensor
Photoelectric Sensor, Diffuse-reflective, Radial type, Metal, 100 mm Sensing distance, Red LED, 10 to 30 VDC Power supply, PNP output, Pre-wired, 2 m Cable.
Omron E3RB-DP22 Photoelectric Sensor
Photoelectric Sensor, Diffuse-reflective, Radial type, Metal, 300 mm Sensing distance, Red LED, 10 to 30 VDC Power supply, PNP output, M12 Connector.
Omron E3RB-DP23 Photoelectric Sensor
Photoelectric Sensor, Diffuse-reflective, Radial type, Metal, 700 mm Sensing distance, Red LED, 10 to 30 VDC Power supply, PNP output, M12 Connector.
Omron E3RB-RN21 Photoelectric Sensor
Photoelectric Sensor, Retro-reflective with MSR function, Radial type, Metal, 0.1 to 4 m with (E39-R1S) Sensing distance, Red LED, 10 to 30 VDC Power supply, NPN output, M12 Connector.
Omron E3RB-RP21 Photoelectric Sensor
Photoelectric Sensor, Retro-reflective with MSR function, Radial type, Metal, 0.1 to 4 m with (E39-R1S) Sensing distance, Red LED, 10 to 30 VDC Power supply, PNP output, M12 Connector.
Omron E3RB-TP21 Photoelectric Sensor
Omron Photoelectric Sensor, Through-beam (Emitter: E3RB-TP21-L, Receiver: E3RB-TP21-D), Radial type, Metal, 20 m Sensing distance, Red LED, 10 to 30 VDC Power supply, PNP output, M12 Connector.
The Omron E3RB Photoelectric Sensor is optimized for Omron through beam photoelectric sensor and Omron retro reflective sensor applications. Through-beam sensing provides highly accurate detection by identifying beam interruptions between separate emitter and receiver units. Retro-reflective sensing improves installation flexibility while maintaining stable detection in confined spaces. The sensor uses infrared light to ensure reliable performance across varying industrial conditions. The E3RB model is commonly used in high-speed counting, material flow monitoring, and object positioning tasks. As part of the E3 Series, it delivers consistent optical sensing performance, making it suitable for automated systems that require precision, reliability, and long-term operational stability.