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E3T-SL23-G Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The OMRON E3T-SL23-G 2M is an ultra-compact, built-in amplifier photoelectric sensor with a BGS (Background Suppression) reflective sensing method. It features a PNP output with Light-ON operation and is designed for precise object detection in space-constrained industrial automation applications.

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Specifications Specification Category Parameter / Value General Sensing Method BGS (Background Suppression) Reflective (Convergent-beam) Shape Rectangular / Flat type Sensing Distance 5 to 30 mm (50×50 mm white paper) Standard Sensing Object 50×50 mm white paper Minimum Sensing Object 0.15 mm diameter (at sensing distance 10 mm) Hysteresis 6 mm max. Housing Material Case: PBT, Lens/Cover: Polycarbonate Degree of Protection IP67 (IEC 60529) Mounting Method M3 screw mounting ("-G" variant) Connection Method Pre-wired (2 m PVC cable) Weight (packaged) Approx. 20 g Optical & Performance Light Source Red LED ("Pin-point" LED, λ = 670 nm) Response Time 1 ms max. (operate or reset) Electrical Output Configuration PNP open collector Operation Mode Light-ON Supply Voltage 12 to 24 VDC ±10% (ripple p-p 10% max.) Current Consumption 20 mA max. Output Current 50 mA max. (at 24 VDC) Residual Voltage 1 V max. Protective Circuits Protection from reversed polarity, output short-circuit, and mutual interference Indicators Operation Indicator Orange LED (lights when output is ON) Stability Indicator Green LED (lights when incident light is stable) Environmental Ambient Temperature (Operating) -25 to 55 °C (with no freezing or condensation) Ambient Temperature (Storage) -40 to 70 °C Ambient Humidity (Operating) 35% to 85% RH Ambient Illuminance Incandescent: 5,000 lx max. / Sunlight: 10,000 lx max. Insulation Resistance 20 MΩ min. (at 500 VDC) Dielectric Strength 1,000 VAC, 50/60 Hz for 1 min Vibration Resistance 10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s², 0.5 hrs each in X, Y, Z Shock Resistance 1,000 m/s² (approx. 100G), 3 times each in X, Y, Z Physical Dimensions Width Approx. 11 mm Height Approx. 7 mm Depth Approx. 24.5 mm Cable Length 2 m (standard)