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Taiss/1 Pair photoelectric Switch 0-20M Through-Beam Reflection Optical Photoelectric Beam Sensor NPN NO photoelectric Sensor Switch 6-36V Proximity Switch with Infrared Ray Beam E3F-20DNL-Z-12MM

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$27.99

$ 11 .99 $11.99

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  • This product is widely used in outdoors gates, garage doors, Weatherproof (IP66) construction for indoor/outdoor usage etc.
  • Supply Voltage:6-36V DC;Type : NPN(normally open );Wire Type : DC 3 Wire,Proximity-sensing / Opposite Type
  • Sensory Distance : 0-20m;Sending Light : Infrared Rays;Current : 300mA;Thread diameter: 12mm/0.47"
  • Body Size:66mm x12mm/2.6" x0.47"(Max.D*L);Cable Length : 120cm/47";Weight : 70g
  • Package Content: 1 Pair x Photoelectric Switch+2 x Mounting Bracket


Photoelectric Switch can be applied in security system, manufacturing industry. Weatherproof (IP66) construction for indoor/outdoor usage.Safety sensor for garage doors or outdoor gates,Overhead door security sensor,Industrial automation, Detect small objects on manufacturing line,Entry detection for store fronts,Assist in measuring parking distance,Alarm sensor etc.


Robert in Fort Collins, CO
2025-09-04 18:06:28
I’m using this across my 2-car garage to prevent closing the door on my cars. It works fine and the spot size is about 1”-1.5” at 16’. The fact that it is a laser is good since aligning with IR would be impossible. The sensor can be directly connected to a relay board and the relay will close when the beam is broken. I suggest a 12v relay and 12v for the sensor and emitter. I have only begun this project but so far it’s good.
J. Mong
2025-08-06 14:22:35
With a DPDT relay, red and green LED’s and some wirin, we now stop the car at exactly the same place each time we park in the garage. This may not be important to some but with our long vehicles, it is to us. They have worked flawlessly.
STSpringer
2025-07-31 18:38:04
The one black wire is the signal wire original voltage was 10vThe two blue wires are groundThe two brown wires are VCC inI used a buck converter to knock 10v DC from the signal wire "the black wire" down to 3.3v for the ESP8266 web server.The voltage default on this laser was HIGH 10v, then after a knockdown with the buck converter I reduced it to 3.3v for the ESP8266, when you break the laser beam, the voltage goes to zero v, so I have the garage lights come on when the signal wire is "LOW" turn on the garage lights, via a relay.
JW Consulting
2025-06-21 11:59:31
This came with brackets for easy install and adjustment.The beam is positive and very responsive to obstructions.This is every bit as good as sensors costing 4 times as muchI will use it again
Maralemah
2025-05-31 16:12:48
The receiver diameter must be bigger than 12 mm so that it may not be too difficult to maintain the alignment of the transmitter with the receiver at all times. Even at 10feet apart, a slight movement of the transmitter will cause the misalignment.
Les Ball
2025-05-09 18:47:36
good product, shipped as promised
A.D.
2025-04-03 15:43:50
I don't have a wiring diagram. Can anybody help with that?
Daniel Ley
2025-01-24 13:54:00
Works as described
Customer
2025-01-07 11:59:22
Product had two transmitters, and no photoreceiver! Completely useless without the transmit and receive pair.
Tanis
2024-12-30 09:59:21
Se puede coloque a 5 mts de detection y trabaja muy bien
It didn’t work
2024-12-10 11:22:37
I got the sensor a while back and just decided to use it for my project, as soon as i plugged it in, there is no red laser emitting from it so no reading can be read by the receiver.Too late to return now.
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