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 8066668 industrial component features an angled M8x1 A-coded socket with 4 pins and a screw-type lock with AF 9 on the field device end, coupled with a 4-wire open-end cable on the control side. It operates within a 0 V to 30 V AC and DC range, providing a 4 A current rating at 40° C and 0.8 kV surge resistance. This part conforms to EN 60947-5-2 and EN 61076-2-104 standards for wire colors, connection numbers, and connection technology, and includes a label holder while supporting ATEX Zone 2 and Zone 22 explosion prevention per certificate information. 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 8066668. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.