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

The Omron E3Z-T81A-D is the receiver 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-L emitter to form a complete through-beam sensing pair.

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Key Specifications Parameter Specification Product Type Receiver unit (must be paired with E3Z-T81A-L emitter) Sensing Method Through-beam (opposed) Sensing Distance 15 m (with emitter) Light Source (Emitter) Visible red LED Output Type PNP open collector Load Current 100 mA max. Supply Voltage 12–24 V DC ±10% Current Consumption Receiver: 20 mA max.; Emitter: 15 mA max. Response Time 1 ms max. (operate or reset) Switching Frequency 1000 Hz max. Operation Mode Light-ON / Dark-ON selectable Sensitivity Adjustment Single-turn adjuster Protection Circuits Output short-circuit protection, Output reverse polarity protection, 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) Ambient Temperature (Storage) -40°C to 70°C Ambient Humidity (Operating) 35% to 85% (with no condensation) Degree of Protection IP67 (IEC), IP69K Connection Method Pre-wired, 2-meter cable (E3Z-T81A-D 2M) Indicators Operation indicator (orange), Stability indicator (green) Weight Approx. 65 g (packaged) Case Material PBT (polybutylene terephthalate) Lens Material Modified polyarylate / Plastic Dimensions (H x W x D) 31 x 20 x 10.8 mm