E3F3-T81 Safety Light Curtain | F3SJ Series Industrial Safety Sensor

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E3F3-T81 Safety Light Curtain | F3SJ Series Industrial Safety Sensor

OMRON E3F3-T81 Photoelectric Sensor is a threaded cylindrical through-beam photoelectric sensor with a built-in amplifier. It features a PNP open-collector output, high noise immunity through advanced Photo-IC technology, and reliable long-distance object detection.

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Technical Parameters Parameter Specification Model E3F3-T81 Product Type Photoelectric Sensor Sensing Method Through-beam Output Type PNP Open-Collector Transistor Operating Mode Light-ON Sensing Distance 5 m Standard Sensing Object Opaque object, minimum diameter 11 mm Light Source Infrared LED (860 nm) Supply Voltage 12 to 24 VDC ±10% Current Consumption Max. 45 mA (Emitter + Receiver) Load Current Max. 100 mA Residual Output Voltage Max. 1 V at 100 mA Response Time Max. 1 ms Protection Circuits Output Short-Circuit Protection, Reverse Polarity Protection Ambient Illumination Incandescent: 3,000 lx max.; Sunlight: 10,000 lx max. Operating Temperature -25°C to +55°C Storage Temperature -30°C to +70°C Operating Humidity 45% to 85% RH Storage Humidity 35% to 95% RH Insulation Resistance ≥20 MΩ (500 VDC) Dielectric Strength 1000 VAC, 50/60 Hz, 1 min Vibration Resistance 10–55 Hz, 1.5 mm double amplitude Shock Resistance 500 m/s² Protection Rating IP66 Connection Method Pre-wired cable (2 m) or M12 connector version Housing Material ABS Resin or Nickel-Plated Brass Lens Material PMMA Indicator Operation Indicator (Orange) Mounting Size M18 Threaded Cylindrical Housing