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Leuze RKR 3B/22D

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Leuze RKR 3B/22D.01, 200-S8: Unpolarized Retro-Reflective Photoelectric Sensor – 50113267


Unpolarized retro-reflective photoelectric sensor, for detection of high-gloss or polished surfaces, operating range: 0.02 – 4 m, 2 outputs, cable with M8 connector, IP 67 protection


Series: 3B
Operating principle: Reflection principle
Application: Detection of high-gloss or polished surfaces
Operating range: 0.02 – 4 m
Operating range limit: 0.02 – 5 m
Light source: LED, red
Switching frequency: 1,500 Hz
Response time: 0.33 ms
Protective circuit: Polarity reversal protection, Short circuit protected
Supply voltage: 10 – 30 V, DC
Number of digital switching outputs: 2
Output 1 switching element: Transistor, NPN
Output 1 switching principle: Dark switching (PNP)/light switching (NPN)
Output 2 switching element: Transistor, NPN
Output 2 switching principle: Light switching (PNP)/dark switching (NPN)
Type of connection: Cable with connector
Cable length: 200 mm
Thread size: M8
Design: Cubic
Degree of protection: IP 67
Certifications: c UL US

For applications in which no reflector can be mounted, this photoelectric sensor is especially well suited for switching on a metallic background as an alternative to a reflector.

Sensor with unpolarized red light for switching on a polished metal plate as reflector
Extra large light spot for high angle tolerance

View the complete product specifications

Additional information


Beam Spacing
Column Height
Leuze Product Series
Number of Beams
Safety Level
Operating Range
Number of Protective Fields
Scanning Angle
Protective Field Height


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