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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
547911
Diffuse scan SOEG-RT-M18-NA-S-2L
The Festo 547911 is a round optoelectronic diffuse sensor designed for position measurement with a working range of 40 mm to 600 mm using red light. Conforming to EN 60947-5-2, this industrial component operates on 10 V to 36 V DC, featuring an NPN antivalent switching output with a maximum switching frequency of 1000 Hz and a 200 mA output current capacity. It includes pulsed short-circuit protection, a 60 mm hysteresis, and functions within an ambient temperature range of -25 °C to 55 °C while carrying RCM, c UL us - Listed (OL), CE, and UKCA compliance markings. 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
- 547911
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 547911.
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 | As per EU RoHS directive
- UKCA marking (see declaration of conformity)
- To UK instructions for EMC | To UK RoHS instructions
- Measured variable
- Position
- Measuring principle
- Optoelectronic
- Method of measurement
- Diffuse sensor
- Type of light
- Red
- Working range
- 40 mm...600 mm
- Ambient temperature
- -25 °C...55 °C
- Switching output
- NPN
- Switching element function
- Antivalent
- Hysteresis
- 60 mm
- Max. switching frequency
- 1000 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
- 20 mA
- Reverse polarity protection
- for all electrical connections
- Electrical connection
- 4-pin | M12x1 | Plug
- Size
- M18
- Type of mounting
- With locknut
- Tightening torque
- 20 Nm
- Mounting position
- Any
- Product weight
- 53 g
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 547911. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.