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Festo
8139727
Proximity sensor SDBC-MSB-1L-NU-K-0.3-M8
The Festo 8139727 is a magneto-resistive position sensor featuring a design for round slots, an NPN switching output with an N.O. contact, and a max output current of 100 mA at a max switching frequency of 480 Hz. This oil-resistant component operates within an ambient temperature range of -20 °C to 70 °C, offering a repetition accuracy of 0.2 mm, a max switching capacity DC of 3 W, and 2.5 ms on and off times. It is RoHS compliant, halogen-free, copper-free, and conforms to EN 60947-5-2 with RCM, CE, UKCA, and KC-EMV certifications. Submit the exact part number, quantity, and application requirements for a quote.
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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
- 8139727
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 8139727.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Design
- For round slot
- Conforms to standard
- EN 60947-5-2
- Certication
- RCM compliance mark
- 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
- KC characters
- KC-EMV
- Special features
- Oil-resistant
- Note on materials
- RoHS compliant | Halogen-free | Free of copper
- Application note
- Cable ame-protected and ame-retardant as per UL Standard 758 | Horizontal Flame Test, does not comply with re protection according to | IEC 61010-1:2017, Edition 3.1, Section 9.3.
- Measured variable
- Position
- Measuring principle
- Magneto-resistive
- Ambient temperature
- -20 °C...70 °C
- Repetition accuracy
- 0.2 mm
- Switching output
- NPN
- Switching element function
- N.O. contact
- On time
- 2.5 ms
- Switch-off time
- 2.5 ms
- Max. switching frequency
- 480 Hz
- Max. output current
- 100 mA
- Max. switching capacity DC
- 3 W
- Voltage drop
- 0.5 V
- Short-circuit protection
- No
- Overload protection
- No
- Rated operating voltage DC
- 24 V
- DC operating voltage range
- 10 V...30 V
- Reverse polarity protection
- for all electrical connections
- Electrical connection 1, connection type
- Cable with plug
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 8139727. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.