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 550311, conforms to the EN 61984 standard and features a straight round M23x1 plug socket on the field device side with 8 occupied pins and no inscription label holder. The controller side consists of an open-end cable with 8 occupied pins, supporting a DC and AC operating voltage range of 0 to 630 V (0 to 300 V for 0.5 mm²) and an acceptable current load of 16 A at 40°C (8 A for 0.5 mm²). 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 550311. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.