Micro Detectors – SPD/0N‑1E – M18 Diffuse Photoelectric Sensor, NPN

The Micro Detectors SPD/0N‑1E is an M18 threaded diffuse photoelectric sensor offering flexible “light-on/dark-on” operation and a switching frequency up to 1 kHz. With a sensing range of ~150 mm and robust protections, it delivers reliable presence detection for compact automation systems.

Key Features

• Model: SPD/0N‑1E – M18 barrel, NPN output, light/dark selectable via trimmer  

• Detection Type: Diffuse (direct reflection), ~150 mm nominal range; photocell head length ~89.8 mm

• Switching Specs:

  • Switch frequency: up to 1 kHz

  • Power-up delay ≤ 200 ms

  • Repeatability: ±5%; thermal drift <10%  

• Output & Electrical:

  • NPN output (≤100 mA load); output voltage drop ≤2 V

  • Supply: 10–30 V DC; ≤30 mA current draw; ≤10 μA leakage  

  • Protection: Reverse polarity, short-circuit, overvoltage (up to 10% ripple)  

• Optics & Indicators:

  • Infrared LED (880 nm); 3,000 lux incandescent / 10,000 lux sunlight immunity  

  • Yellow LED indicates output ON; green for supply  

• Housing & Connections:

  • Nickel-plated brass body M18×78 mm; IP67 sealed; operating temp –25…+70 °C

  • M12 4-pin right-angle connector; includes two locknuts; metal head  

• Certifications: CE; EMC standard EN 60947‑5‑2; vibration/shock per IEC standards