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 8040450, features a weight of 680 g and includes a cable designation with a label holder. It is c UL us - Listed under UL certificate issuing authority E520706 and offers a contact durability of 100. Electrical connection 1 on the field device side utilizes a straight, 4-pin, 4-occupied-wire M12x1 round plug (D-coded as per EN 61076-2-101) with a screw-type lock featuring a hexagon AF13, vertical knurling, and rotatable mounting compatible with rotatable and non-rotatable locks. Electrical connection 2 on the control side matches this configuration with a straight, 4-pin, 4-occupied-wire M12x1 round plug (D-coded as per EN 61076-2-101). 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 8040450. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.