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
This Festo industrial component with part number 551380 is a magneto-resistive position sensor designed for round slots, operating within an ambient temperature range of -40 °C to 70 °C. Conforming to EN 60947-5-2 with RCM compliance, CE marking per EU EMC and RoHS directives, and UKCA marking for UK instructions, the oil-resistant, halogen-free unit features an NPN N.O. contact switching output with a repetition accuracy of 0.2 mm and a max switching frequency of 130 Hz. For technical specifications and further details, consult the application note at https://www.festo.com/Drive-Sensor-Overview. Submit your exact part number, quantity, and application requirements to receive a formal quotation.
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 551380. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.