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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.
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Festo
537690
Diffuse scan SOEG-RTH-M18W-PS-S-2L
The Festo 537690 is a round optoelectronic diffuse sensor with background suppression that conforms to EN 60947-5-2 and measures position using red light across a working range of 10 mm to 120 mm. This component operates on a 10 V to 36 V DC range, delivering a PNP bright-switching output with a maximum switching frequency of 500 Hz, a 200 mA max output current, and pulsed short-circuit protection. Featuring RCM compliance, c UL us listing, and CE marking per the EU EMC directive, the unit functions within an ambient temperature range of -25 °C to 55 °C. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 537690
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 537690.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Design
- Round
- Conforms to standard
- EN 60947-5-2
- Certication
- RCM compliance mark | c UL us - Listed (OL)
- CE marking (see declaration of conformity)
- As per EU EMC directive
- Measured variable
- Position
- Measuring principle
- Optoelectronic
- Method of measurement
- Diffuse sensor with background suppression
- Type of light
- Red
- Working range
- 10 mm...120 mm
- Ambient temperature
- -25 °C...55 °C
- Switching output
- PNP
- Switching element function
- Bright-switching
- Max. switching frequency
- 500 Hz
- Max. output current
- 200 mA
- Voltage drop
- 2 V
- Short-circuit protection
- Pulsed
- DC operating voltage range
- 10 V...36 V
- Residual ripple
- 20 %
- Idle current
- 25 mA
- Reverse polarity protection
- for all electrical connections
- Electrical connection
- 3-pin | M12x1 | Plug
- Size
- M18x1
- Type of mounting
- With lock nut
- Tightening torque
- 20 Nm
- Product weight
- 57 g
- Housing material
- Brass | Chrome-plated
- Material of union nut
- Brass | Chrome-plated
- Switching status indication
- LED yellow
Engineering context
Identification and RFQ Guidance
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 537690. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.