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E3Z-T81A-L Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The Omron E3Z-T81A-L is the emitter unit for a through-beam (opposed-mode) photoelectric sensor from the compact, built-in amplifier E3Z series. It is designed to work with the corresponding E3Z-T81A-D receiver to form a complete through-beam sensing pair .

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Key Specifications Parameter Specification Product Type Emitter unit (must be paired with E3Z-T81A-D receiver) Sensing Method Through-beam (opposed) Sensing Distance 15 m (with receiver) Standard Sensing Object Opaque object, 7 mm diameter min. Light Source Visible red LED (624 nm wavelength) Output Type Emitter only (no control output) Supply Voltage 12–24 V DC ±10% Current Consumption 25 mA max. Response Time System: 1 ms max. (with receiver) Directional Angle 2° min. Protection Circuits Power supply reverse polarity protection Ambient Illumination Incandescent lamp: 3,000 lx max.; Sunlight: 10,000 lx max. Ambient Temperature (Operating) -25°C to 55°C (with no icing or condensation) Ambient Temperature (Storage) -40°C to 70°C Ambient Humidity (Operating) 35% to 85% (with no condensation) Degree of Protection IP67 (IEC), IP69K (DIN 40050-9) Connection Method Pre-wired, 2-meter cable Indicators Power indicator (orange) Weight Approx. 65 g Case Material PBT (polybutylene terephthalate) Dimensions (H x W x D) 31 x 20 x 10.8 mm