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
The Festo 552818 is an M4 through-beam sensor featuring a 2 m flexible fibre-optic cable with protective grounding, a 2.2 mm outside diameter, and a 2 mm minimum bending radius. Constructed with a nickel-plated brass housing, this RoHS-compliant component operates within a -40 °C to 70 °C ambient temperature range, delivers a 300 mm working range to detect a minimum object diameter of 0.15 mm, and provides IP66 protection with a corrosion resistance class of 1 and VDMA24364 Zone III LABS conformity at a maximum tightening torque of 2 Nm. Submit the exact part number, quantity, and application requirements to receive 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 552818. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.