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E3FA-BP21 Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The Omron E3FA-BP21 is a photoelectric sensor from the E3FA Series. It features a durable M18 threaded cylindrical plastic (ABS) housing and uses a retro-reflective sensing method with a P-opaquing function, specifically designed for the reliable detection of transparent objects (e.g., glass bottles, PET containers, plastic vials, transparent film) .

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Key Technical Specifications Parameter Specification Series E3FA Sensor Type Photoelectric Sensor (Retro-reflective for transparent objects) Housing Material ABS Plastic Housing Diameter M18 threaded cylindrical (M18 x 1) Sensing Method Retro-reflective with P-opaquing function Sensing Distance 100 to 500 mm (when using E39-RP1 reflector) Standard Sensing Object Glass plate (t = 1.0 mm, 150 x 150 mm) Light Source Polarized Red LED (624 nm) Output Configuration PNP - Open collector Output Operation Light-ON / Dark-ON selectable Max. Output Current 100 mA Supply Voltage 10 to 30 VDC ±10% Current Consumption 25 mA max. Response Time 0.5 ms (500 µs) max. Switching Frequency 2,000 Hz (2 kHz) Connection Method M12 Connector (4-pin, male) Degree of Protection (IP) IP67, IP69K (IEC60529, DIN40050-9) Operating Temperature -25°C to 55°C (connector models) Storage Temperature -40°C to 70°C Operating Humidity 35% to 85% RH Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, Z directions Shock Resistance 500 m/s², 3 times each in X, Y, Z directions Insulation Resistance 20 MΩ min. (at 500 VDC) Dielectric Strength 1,000 VAC at 50/60 Hz for 1 min Protection Circuits Output short-circuit protection, Output reverse polarity protection, Power supply reverse polarity protection Indicators Operation indicator (orange), Stability indicator (green) Sensitivity Adjustment Single-turn adjustment Material (Lens) Methacrylate resin (PMMA) Body Length 45 mm Body Diameter 18 mm (M18 thread) Weight Approx. 11-21 g