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E3C-S20W Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The OMRON E3C-S20W is a compact, amplifier-separated photoelectric sensor head from the E3C series. It utilizes a through-beam sensing method with an infrared LED light source (940 nm) .

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Key Specifications Parameter Specification Brand OMRON Model E3C-S20W Series E3C Sensor Type Photoelectric sensor (Amplifier-separated) Sensing Method Through-beam Sensing Distance 200 mm (20 cm / 7.874") Standard Sensing Object Opaque object, 3 mm diameter minimum Light Source Infrared LED (peak wavelength: 940 nm) Directional Angle Emitter/Receiver: 10 to 40° each Output Type Determined by amplifier unit (sold separately) - typically NPN or PNP Operation Mode Light-ON / Dark-ON (selectable via amplifier) Connection Method Pre-wired cable (standard length: 2 m) Protection Rating IP50 (IEC 60529, indoor use only) Operating Temperature -25°C to 70°C (with no icing or condensation) Storage Temperature -25°C to 70°C Operating Humidity 35% to 85% RH Storage Humidity 35% to 95% RH Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude, 2 hours each X,Y,Z Shock Resistance 500 m/s², 3 times each in X, Y, Z directions Case Material Polycarbonate (ABS for E3C-S30W version) Lens Material Polycarbonate Weight (packed) Approx. 24 g Insulation Resistance 20 MΩ min. at 500 VDC Dielectric Strength 500 VAC at 50/60 Hz for 1 minute Ambient Illuminance (Receiver) Incandescent lamp: 3,000 lx max.; Sunlight: 10,000 lx max.