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Festo
551378
Proximity sensor SMT-10M-NS-24V-E-2,5-Q-OE
The Festo part number 551378 is a magneto-resistive industrial component designed for round slots to measure position with a repetition accuracy of 0.2 mm. This oil-resistant sensor features an NPN switching output with a normally open contact function, operating at a maximum switching frequency of 130 Hz across an ambient temperature range of -40 °C to 70 °C. It conforms to EN 60947-5-2 and carries the RCM compliance mark, CE marking per EU EMC and RoHS directives, and UKCA marking for UK EMC and RoHS instructions. Submit the exact part number, quantity, and application requirements to receive 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
- 551378
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 551378.
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
- Special features
- Oil-resistant
- Note on materials
- RoHS compliant | Halogen-free
- Application note
- https://www.festo.com/Drive-Sensor-Overview
- Measured variable
- Position
- Measuring principle
- Magneto-resistive
- Ambient temperature
- -40 °C...70 °C
- Repetition accuracy
- 0.2 mm
- Switching output
- NPN
- Switching element function
- N.O. contact
- On time
- 1.3 ms
- Switch-off time
- 4.2 ms...7.3 ms
- Max. switching frequency
- 130 Hz
- Max. output current
- 100 mA
- Max. output current in mounting kits
- 50 mA
- Max. switching capacity DC
- 2.8 W
- Max. switching capacity DC in mounting kits
- 1.5 W
- Voltage drop
- 1.5 V
- Residual current
- 0.15 mA
- Short-circuit protection
- Yes
- Overload protection
- Yes
- Rated operating voltage DC
- 24 V
- DC operating voltage range
- 5 V...30 V
- Residual ripple
- 10%
- Reverse polarity protection
- for all electrical connections
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 551378. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.