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E3T-CT24S Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The OMRON E3T-CT24S is a high-performance, ultra-compact through-beam photoelectric sensor with a built-in amplifier. Housed in a durable stainless steel (SUS303) cylindrical body with an M5 thread, this sensor is designed for installation in tight spaces where conventional sensors cannot fit.

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Key Specifications Parameter Specification Manufacturer OMRON Automation and Safety Series E3T Sensor Type Photoelectric Sensor, Built-in Amplifier Housing Shape Small Cylindrical Type (M5 Thread) Sensing Method Through-beam (Emitter + Receiver set) Sensing Head Configuration Side view (Radial) Sensing Distance 500 mm (19.7 inches) Standard Sensing Object Opaque object, 5 mm dia. min. Light Source Red LED (625 nm) Output Configuration PNP Open Collector Output Current 80 mA max. Residual Voltage 1 V max. Supply Voltage 12 to 24 VDC ±10% ripple (p-p) 10% max. Current Consumption Emitter: 15 mA max., Receiver: 15 mA max. Operation Mode Dark-ON (Output ON when light is interrupted) Response Time 0.5 ms max. (Operate or reset) Protection Circuits Output short-circuit protection, Power supply reverse polarity protection Indicators Operation indicator (orange), Stability indicator (green) Connection Method Pre-wired (2 m PVC cable) Degree of Protection IP65 (IEC) Ambient Temperature (Operating) -25 to 55 °C (with no freezing or condensation) Ambient Temperature (Storage) -30 to 70 °C (with no freezing or condensation) Ambient Humidity (Operating) 35% to 85% (with no condensation) Ambient Illuminance Incandescent lamp: 3,000 lx max. Insulation Resistance 20 MΩ min. (at 500 VDC) Dielectric Strength 500 VAC for 1 min Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude, 2 h each in X, Y, Z Shock Resistance 500 m/s², 3 times each in X, Y, Z Case Material SUS303 Stainless Steel Lens Material Polysulphone Thread Size M5 Product Length (unpacked) 32.5 mm Weight (packaged) Approx. 60 g