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 8066661, features a straight M8x1 A-coded 4-pin socket with a screw-type lock on the field device end and an open-ended 4-wire cable on the control side. It operates within a 0 V to 30 V AC and DC voltage range, supports a current rating of 4 A at 40° C, provides a surge resistance of 0.8 kV, and includes a label holder on the cable designation. Conforming to EN 60947-5-2 and EN 61076-2-104 standards, the unit is certified for use in ATEX Zone 2 and Zone 22 environments following specific certificate instructions. Submit the exact part number, quantity, and application requirements for 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 8066661. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.