Key Technical Specifications Parameter Specification Series E3FA Sensor Type Photoelectric Sensor (Through-beam) Housing Material ABS Plastic Housing Diameter M18 threaded cylindrical Sensing Method Through-beam (Emitter + Receiver) Sensing Distance 0 to 15 m Standard Sensing Object Opaque object: 7 mm dia. min. Light Source Infrared LED (850 nm) Output Configuration PNP - Open collector Output Operation Light-ON / Dark-ON selectable (by wiring) Supply Voltage 10 to 30 VDC (including 10% ripple p-p) Current Consumption 40 mA max. (Emitter: 25 mA max., Receiver: 15 mA max.) Max. Output Current 100 mA Residual Voltage 3 V max. Response Time 0.5 ms Switching Frequency 2,000 Hz (2 kHz) Connection Method M12 Connector (4-pin) Degree of Protection (IP) IP67 / IP69K Operating Temperature -40°C to 55°C (Connector models) Storage Temperature -40°C to 70°C (with no icing or condensation) Operating Humidity 35% to 85% Ambient Illumination (Receiver side) Incandescent lamp: 3,000 lx max. / Sunlight: 10,000 lx max. 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 between current-carrying parts and case Protection Circuits Power supply reverse polarity protection, Output short-circuit protection, Output reverse polarity protection Indicators Operation indicator (orange), Stability indicator (green), Power indicator (green on emitter) Sensitivity Adjustment One-turn adjuster Body Length 45 mm Body Diameter 18 mm (M18 thread) Weight (packed state) Approx. 20 g