Key Technical Specifications Parameter Specification Series E3FA Sensor Type Photoelectric Sensor (Retro-reflective) Housing Material ABS Plastic Housing Diameter M18 threaded cylindrical Sensing Method Retro-reflective with M.S.R. function Sensing Distance 0.1 to 4 m (when using E39-R1S reflector) Standard Sensing Object Opaque: 75 mm dia. min. Light Source Red LED (624 nm) Output Configuration PNP - Open collector Output Operation Light-ON / Dark-ON selectable Supply Voltage 10 to 30 VDC (including 10% ripple p-p) Current Consumption 25 mA max. Max. Output Current 100 mA Residual Voltage 3 V max. Response Time 0.5 ms (Operate or reset) Switching Frequency 1,000 Hz (1 kHz) Connection Method Pre-wired cable (2m or 5m length available) Cable Length (Standard) 2 m (E3FA-RP11 2M) Degree of Protection (IP) IP67 / IP69K Operating Temperature -25°C to 55°C Storage Temperature -40°C to 70°C Operating Humidity 35% to 85% Ambient Illumination 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 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 (Package) Approx. 60 g