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, part number 5251401, is built according to norm EN 61984 and features a DC operating voltage range of 0 V to 850 V alongside an AC operating voltage range of 0 V to 630 V. The unit supports a current rating of 40 A at 40° C, a surge resistance of 6 kV, and is designed without a label holder on the cable designation. Electrical connection 1 operates on the field device side with a round, straight hybrid socket utilizing M40x1 connection technology, 15 pins/wires with 12 occupied, and snap-locking mounting. Electrical connection 2 functions on the control side with a straight connector and cable using RJ45 and open end connection technology, comprising 14 pins/wires with 12 occupied. 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 5251401. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.