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E3RA-RP11 Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The OMRON E3RA-RP11 2M is a cylindrical, retro-reflective photoelectric sensor from the E3RA Series. It features an M18 threaded radial-type housing made of durable ABS resin, making it lightweight yet robust for industrial environments .

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Key Specifications Parameter Specification Brand OMRON Model E3RA-RP11 2M Series E3RA Sensor Type Photoelectric Sensor Housing Shape Cylindrical, radial (right-angle) type Sensing Method Retro-reflective (with MSR function) Sensing Distance 0.1 to 3 m (with E39-R1S reflector) Standard Sensing Object Opaque object, φ75 mm min. Light Source Red LED (624 nm wavelength), polarized Output Type PNP - Open collector Output Current 100 mA max. Operation Mode Light-ON / Dark-ON (selectable by wiring) Response Time 0.5 ms (500 µs) Power Supply Voltage 10 to 30 VDC (including 10% ripple p-p) Current Consumption 25 mA max. Sensitivity Adjustment Single-turn adjuster Indicators Operation indicator (orange), Stability indicator (green) Connection Method Pre-wired cable, 2 m Housing Material ABS resin Lens Material PMMA (Acrylic) Thread Size M18 Dimensions (L × Dia.) 53.9 mm × 18 mm Protection Rating IP67, IP69K (IEC) Operating Temperature -25 to 55°C Storage Temperature -40 to 70°C Operating Humidity 35% to 85% RH Ambient Light Immunity Incandescent: 3,000 lx max., Sunlight: 10,000 lx max. Insulation Resistance 20 MΩ min. at 500 VDC Dielectric Strength 1,000 VAC at 50/60 Hz for 1 min. Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude, 2h each direction Shock Resistance 500 m/s², 3 times each direction Protection Circuits Power supply reverse polarity, Output short-circuit, Output reverse polarity Weight Approx. 50 g (sensor only), 60 g (packaged) Accessories Included Instruction sheet, M18 nuts (2 pcs) Approvals/Certifications CE, UL, RoHS compliant