Key Specifications Parameter Specification Manufacturer OMRON Automation and Safety Series E3S-DB Sensor Type Photoelectric Sensor, Square Type Sensing Method Retro-reflective with M.S.R. function Sensing Distance 0 to 3.5 m (3500 mm) when using E39-R8 reflector Light Source Red LED (624 nm) Spot Size 6 mm dia. (at 250 mm sensing distance) Output Configuration PNP Open Collector Output Current 100 mA max. Residual Voltage 2 V max. (at 100 mA load current) Supply Voltage 10 to 30 VDC (ripple 10% p-p max.) Current Consumption 30 mA max. Power Consumption 720 mW max. (at 24 V) Response Time 0.5 ms max. (operate or reset) Operation Mode Light-ON / Dark-ON selectable Sensitivity Adjustment Eleven-turn adjuster Protection Circuits Output short-circuit protection, Output reverse polarity protection, Power supply reverse polarity protection Indicators Light indicator (orange), Stability indicator (green) Connection Method M12 connector (M12 SmartClick) Degree of Protection IP67 (IEC), IP69K (DIN40050-9) Ambient Temperature (Operating) -25 to 60 °C (with no freezing or condensation) Ambient Temperature (Storage) -40 to 70 °C Ambient Humidity (Operating) 35% to 85% Ambient Illuminance Incandescent: 3,000 lx max., Sunlight: 10,000 lx max. Insulation Resistance 20 MΩ min. at 500 VDC Dielectric Strength 1000 VAC, 50/60 Hz for 1 min Vibration Resistance (Destruction) 10 to 55 Hz, 1.5 mm double amplitude, 2 h each in X, Y, Z Shock Resistance (Destruction) 500 m/s², 3 times each in X, Y, Z Case Material PBT/ABS Lens Material Methacrylate resin (PMMA) Dimensions (W × H × D) 15.8 mm × 48.5 mm × 40.5 mm Weight (Main Unit) Approx. 40 g Weight (Packaged) Approx. 60 g