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Festo

537776

Diffuse light sensor SOEL-RTH-Q50-NA-S-3L

The Festo part number 537776 is an industrial component featuring a block design that conforms to standard EN 60947-5-2 and carries the RCM Mark and c UL us - Listed (OL) authorizations with a CE symbol according to the EU-EMV guideline. This optoelectronic diffuse reflection sensor with background suppression utilizes a pulsed red 650 nm laser light to measure position within a working range of 50 to 300 mm at ambient temperatures between -20 and 45 °C. The unit includes an NPN antivalent switch output operating on a 10 to 30 V DC range, delivering a maximum switching frequency of 2,500 Hz, a max output current of 200 mA, and pulsing short circuit strength while utilizing copper-free and PTFE-free materials. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer
Festo
Part number
537776
Data verification
Manufacturer evidence reviewed

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Worldwide sourcingSupport for planned and urgent industrial requirements.
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Verified configuration

Technical Specifications

Design
Block design
Conforms to standard
EN 60947-5-2
Authorization
RCM Mark | c UL us - Listed (OL)
CE symbol (see declaration of conformity)
according to EU-EMV guideline
Materials note
Free of copper and PTFE
Measured variable
Position
Measuring principle
Optoelectronic
Measurement method
Diffuse reflection sensor with background suppression
Type of light
Pulsed laser | Red, 650 nm
Working range
50 ... 300 mm
Ambient temperature
-20 ... 45 °C
Max. grey tone shift
5 %
Reference material
18 %
Switch output
NPN
Switching element function
Antivalent
Max. switching frequency
2,500 Hz
Max. output current
200 mA
Voltage drop
<= 2.4 V
Short circuit strength
Pulsing
Operating voltage range DC
10 ... 30 V
Residual ripple
10 %
Idle current
50 mA
Polarity protected
for all electrical connections
Electrical connection
Plug | M12x1 | 4-pin
Size
50x50x17 mm
Mounting type
with through hole
Product weight
32 g
Material housing
ABS
Ready status display
Green LED
Operating status display
Yellow LED
Operating reserve display
Red LED (off)
Setting options
Potentiometer
Setting range lower limit
50 mm
Upper limit of adjustment range
300 mm
Ambient temperature with flexible cable installation
-5 ... 45 °C
Protection class
IP67
Corrosion resistance classification CRC
4 - Very high corrosion stress
Laser protection class
1

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 537776. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.