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
Manufactured by Festo under part number 5251399, this industrial component complies with EN 61984 and weighs 6.16 kg with a cable designation lacking a label holder. Electrical connection 1 features a straight M40x1 hybrid socket with 15 pins, 12 occupied pins, a snap-locking mount, and round design for the field device side. Electrical connection 2 provides a straight RJ45 and open end connection technology with 14 pins and 12 occupied pins for the control side. The unit operates within a DC voltage range of 0 V to 850 V, an AC voltage range of 0 V to 630 V, and supports a current rating of 31.9 A at 40° C. Submit the exact part number, 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 5251399. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.