Autonics BEN5M-MFR Photoelectric Sensor


(GST 18% Exclusive)

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Autonics BEN5M-MFR Photoelectric Sensor with built-in amplifiers are available in universal AC/DC types and DC types. Light ON/Dark ON operation mode switch and sensitivity adjusters are available for easy configuration and set up (except through-beam types). The specialized sensor IC provides high performance in various user applications.


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Autonics BEN5M-MFR Photoelectric Sensor sensing the distance is specified with using the MS-2 reflector and the same as the MS-4 reflector. Sensing distance is the setting range of the reflector. The sensor can detect under 0.1m. When using reflective tapes, the reflectivity will vary by the size of the tape. Please refer to the “Reflectivity By Reflective Tape Model” table before using the tapes. The temperature or humidity mentioned in Environment indicates a non freezing or condensation.

Features of Autonics BEN5M-MFR Photoelectric Sensor:

● Small and power supply built-in type.
● Easy installation with LED indicators on product.
● Light ON/Dark ON operation mode switch.
● Status and output LED indication.
● Built-in IC photo diode for disturbing light and electrical noise.

Additional information



Model No

BEN5M-MFR Photoelectric Sensor

Measuring Parameters

Retroreflective (standard type)

Sensing Distance


Sensing Target

Opaque materials of Min. Ø60mm

Response Time

Max. 20ms

Power Supply

24-240VACᜠ ±10% 50/60Hz, 24-240VDCᜡ ±10% (ripple P-P: max. 10%)

Current consumption

Max. 4VA

Light source

Infrared LED (850nm)

Operation Mode

Light ON/Dark ON operation mode switch

Control Output

Relay contact output (relay contact capacity: 30VDCᜡ 3A of resistive load, 250VACᜠ 3A resistive load, relay contact composition: 1c)


Mechanically: min. 50,000,000 operation, electrically: min. 100,000 operation


Operation indicator: red LED, Stability indicator: green LED

Insulation Resistance

Over 20MΩ (at 500VDC megger)

Insulation Type

Double or strong insulation

Noise Immunity

±1,000V the square wave noise (pulse width: 1㎲) by the noise simulator

Dielectric Strength

1000VAC 50/60Hz for 1minute

Housing Material



Heat resistant acrylonitrile butadiene styrene

Supply Scope

I unit of Photoelectric Sensor Adjuster driver, fixing bracket, bolts, nuts


Approx. 208g

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Autonics BEN5M-MFR Photoelectric Sensor

Autonics BEN5M-MFR Photoelectric Sensor


(GST 18% Exclusive)

Add to cart