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.

Festo
Engineered by Festo for round slot installations, the 551379 is a magneto-resistive industrial component measuring position with a repetition accuracy of 0.2 mm across an ambient temperature range of -40 °C to 70 °C. This oil-resistant, RoHS-compliant, and halogen-free device features an NPN switching output with a normally open contact function, supporting a maximum output current of 100 mA and a max switching frequency of 130 Hz. It conforms to EN 60947-5-2 and carries the RCM compliance mark, alongside CE and UKCA markings per applicable EMC and RoHS directives. Submit part number 551379, required quantity, and application requirements to request a quote.
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.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 551379. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.