Key Specifications Parameter Value/Description Manufacturer Omron Automation and Safety Part Number EE-SPX403N Series EE-SPX403N / SPX403N Type Slot-type Photomicrosensor (Modulated) Sensing Method Through-beam (transmissive) Output Configuration NPN open collector / Light-ON Mounting Type Chassis mount / Through-hole mounting Termination Style Solder terminals / Connector (EE-1001/1006 compatible) Degree of Protection IP50 RoHS Compliant Yes Optical & Sensing Specifications Parameter Value Sensing Distance (Slot Width) 13 mm (0.512") Standard Sensing Object Opaque object, 0.5 × 1 mm minimum Differential Distance 0.05 mm maximum Light Source GaAs infrared LED (pulse-modulated, peak wavelength: 940 nm) Receiver Si photo-diode (sensing wavelength: 850 nm max.) Response Frequency 500 Hz minimum (1,000 Hz typical) Electrical Specifications Parameter Value Supply Voltage 12 to 24 VDC ±10% (ripple p-p: 5% max.) Current Consumption Average: 15 mA max.; Peak: 50 mA max. Control Output (Load Current) 80 mA max. at 5-24 VDC Residual Voltage (at 80 mA) 1.0 V max. Residual Voltage (at 10 mA, TTL) 0.4 V max. Output ON Indicator Red LED (GaP, peak emission: 700 nm) Output OFF Indicator LED off Environmental & Physical Specifications Parameter Value Ambient Illumination Fluorescent/Incandescent: 3,000 lx max. (sensing face) Operating Temperature -10°C to 55°C (14°F to 131°F) Storage Temperature -25°C to 65°C (-13°F to 149°F) Ambient Humidity (Operating) 35% to 85% (with no condensation) 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 (approx. 50G) for 3 times each in X, Y, Z directions Degree of Protection IP50 Dimensions (W × H × D) 26 × 26 × 7.4 mm (approx.) Weight Approx. 14.3 g Cable Length (max.) 5 m (AWG24 min.) Housing Material Polycarbonate (PC)