Product Description

​The Omron E3S-R2E41 is a retroreflective photoelectric sensor designed for reliable object detection in industrial automation applications. It features a sensing distance of up to 2 meters, utilizing an infrared LED light source with a wavelength of 950 nm. The sensor operates with a 12 to 24 VDC power supply and offers both Light-ON and Dark-ON modes, selectable via a switch. Its compact design (74.6 mm length x 40 mm width x 32 mm height) and IP67 rating ensure durability and flexibility in various mounting configurations. Please note that the E3S-R2E41 model is no longer manufactured and is considered obsolete.

Technical Specifications

• Sensing Method: Retroreflective​
• Sensing Distance: 0.1 to 2 meters​
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• Light Source: Infrared LED (950 nm)​
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• Power Supply Voltage: 12 to 24 VDC ±10%, ripple (p-p): 10% max.​
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• Current Consumption: 40 mA max.​
• Output Configuration: NPN open collector, Light-ON/Dark-ON selectable​
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• Load Current: 80 mA max. (residual voltage: 2 V max.)​
• Response Time: Operate or reset: 1 ms max.​
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• Sensitivity Adjustment: Yes, with an indicator​
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• Ambient Illumination (Receiver side): Incandescent lamp: 3,000 lx max.; Sunlight: 10,000 lx max.​
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• Operating Temperature: -25°C to 55°C​
• Storage Temperature: -40°C to 70°C (with no icing or condensation)​
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• Operating Humidity: 35% to 85% (with no condensation)​
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• Storage Humidity: 35% to 95% (with no condensation)​
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• Insulation Resistance: 20 MΩ min. at 500 VDC​
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• Dielectric Strength: 1,000 VAC, 50/60 Hz for 1 min​
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• Vibration Resistance (Destruction): 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions​
• Shock Resistance (Destruction): 500 m/s², 3 times each in X, Y, and Z directions​
• Degree of Protection: IEC IP67​
• Connection Method: Pre-wired cable (standard length: 2 meters)​
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• Indicators: Light indicator (red), Stability indicator (green)​
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• Material:
• Case: Zinc die-cast​
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• Lens: Polycarbonate​
• Mounting Bracket: Iron