Laser Photoelectric Switch Sensor NPN NO And NC Four Wire Ten To Thirty Volt DC Input Twelve And Twenty Four Volt DC Compatible Detection Range Eight To Fifty Centimeters Fast One Millisecond Response HG18 D50N3 Sweet For Automation And Sensing Projects

Laser photoelectric switch with NPN NO+NC, 4-wire input
✔️ 0-500 mm or 80-500 cm range, 1 ms response, 30 VDC max

The laser photoelectric switch is a four-wire, NPN NO+NC sensor that detects object presence by beam interruption. In automation and sensing projects, it's commonly used on conveyors, robots, and control panels to deliver fast, reliable detection.

✅ Operating voltage: 10-30 VDC; no-load current <30 mA; max load 200 mA
✅ Output: NPN NO+NC (open-collector)
✅ Detection range: 0-500 mm and 800-5000 mm, adjustable
✅ Response time: 1 ms
✅ Protection: short circuit and reverse polarity
✅ Safety note: avoid eye exposure to laser

Detection Range	mm	in
0-500	0-500	0-19.69
800-5000	800-5000	31.5-196.85

💡 What is a laser photoelectric switch used for in automation and sensing systems? This handy device helps detect object presence and position with precision.
- Handy for conveyors to control flow
- Useful in robotics for alignment and pick-and-place tasks
- Reliable in harsh environments
- Simple to integrate with 10-30 VDC power