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 part number 3504639 is an electrical industrial component featuring a 100% duty cycle, Class H insulation, and coil characteristics of 230 V AC at 50/60 Hz with 7.0 VA power or 230 V DC at 7.0 W, operating within permissible voltage fluctuations of -15% / +10%. Certified for Zone 1, Zone 2, Zone 21, and Zone 22 hazardous areas, it carries CE and UKCA markings alongside EPL Gb and EPL Db explosion protection certifications with ignition protection types including Ex db IIC and Ex tb IIIC. Built with a Corrosion Resistance Class of 4 for particularly high corrosion stress and an IP65 degree of protection, this unit supports any mounting position, VDMA24364 Zone III LABS conformity, and specific explosive ambient temperature ranges. 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 3504639. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.