Key Technical Specifications Parameter Specification Series E3FA Sensor Type Photoelectric Sensor (Limited-reflective) Housing Material ABS Plastic Housing Diameter M18 threaded cylindrical (M18 x 1) Sensing Method Limited Reflective / Limited-distance-reflective Sensing Distance 10 mm to 50 mm (adjustable) Light Source Red LED (Polarity free red light) Output Configuration NPN - Open collector Output Operation Light-ON / Dark-ON selectable (via wiring) 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 Pre-wired cable (2m length) Cable Length 2 meters (Model E3FA-VN11 5M also available) Degree of Protection (IP) IP67, IP69K (IEC60529, DIN40050-9) Operating Temperature -25°C to 55°C (with no freezing or condensation) Storage Temperature -40°C to 70°C Operating Humidity 35% to 85% RH Ambient Illumination Incandescent lamp: 3,000 lx max. / Sunlight: 10,000 lx max. Vibration Resistance Destruction: 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, Z directions Shock Resistance Destruction: 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 41 mm Body Diameter 18 mm (M18 thread) Weight Approx. 50-60 g