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 part number 8129251 is an industrial component featuring installation dimensions of 50.1 mm in width, 107.3 mm in length, and 35 mm in height, with a product weight of 97 g. This unit offers mounting flexibility on an H-rail with accessories or via through-holes for M5 and M6 screws, supporting an arbitrary mounting position and horizontal orientation on H-rails within an ambient temperature range of -20 °C to 50 °C. It provides class III protection, overvoltage category II, and low corrosion stress resistance (CRC 1) while operating up to 2000 m above sea level. Submit the 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 8129251. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.