Photo Sensor 10m Sensing Distance, Relay Output - R3JK-10A3

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150.00 Grams
Minimum Purchase:
1 unit



Photoelectric sensors use a beam of light to detect the presence or absence of an object. This technology is used to identify the size and contrast of an object. 4 kinds of general-purpose photoelectric sensor product lines are designed to ensure advanced technology performance combined with optic & electric technology and are widely applied in various fields of industry for its optimized functions, quality, application flexibility, and reliability while remaining strongly competitive with its price among the whole industry. Application areas of photoelectric sensors include industrial automation lines, elevators, parking facilities, logistics services, semiconductor devices, packaging machines, and construction areas.

RiKO’s R3JK-10A3 is a retro-reflective optical sensor with long sensing range of 10m. Sensor type is through beam with relay output. Special dust proof design of protective hood with non-spherical optical lens and dual LED indicator. R3JK-10A3 from RiKO comes with the following features:

  • Aspherical optical lens.
  • Off-delay 0.2 sec.
  • Visible red light for positioning.
  • Special protective hood (dust and grease proofing).


Brand Information

RiKO OPTOELECTRONICS TECHNOLOGY CO., LTD. founded in 1988, is a professional Fiber Optics Sensor / Photo Sensor / Proximity Sensor/ Capacity Sensor manufacturer in Taiwan. They have been committed to offering the highest quality and best products solving their customers' needs for industrial automation from the beginning.

Through aggressive R&D and the introduction of new products, they have become a leading manufacturer for the global market. Their brand, RiKO has had an excellent reputation for developing and supplying reliable products around the world, where customers also benefit from their wide range of services.

Data Sheet

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Warranty Information

One Year Warranty
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Additional Information

Sensing type:
Through beam.
Sensing distance:
Emitting light:
Infrared LED 850nm.
Operating voltage:
AC 90-260V, DC 24-30v
Current consumption:
25mA max
Load current:
100mA max. At DC 24V.
Output type:
Relay out com/NO.
Response time:
1.5ms max.
Insulation resistance:
20MΩ min. (DC 500V)
Voltage withstand-ability:
1000 VAC 60 Hz for 1min.
Operating temperature:
Ambient humidity:
35~85% RH.
Protection degree:
Wiring method:
Pre-wired Ø4.2x2M/4-wired
Approx. 165g.
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