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 1669371 is an industrial component featuring an integrated mains filter, active PFC, and a seven-segment display supporting an output frequency range of 0 to 1,000 Hz and an AC output voltage range of 0 to 270 V. It operates at a nominal operating voltage of 230 V AC, a nominal controller power of 500 VA, a nominal output current of 2.5 A, and a line frequency of 50 to 60 Hz, incorporating a 165-Ohm braking resistance with a 1.1 kVA pulse power. Safety functionality includes Safe Torque Off (STO) certified to SIL 2, Category 3, and Performance Level d, alongside electrically isolated, freely configurable digital logic outputs with a 100 mA maximum current and a 5-second maximum peak current duration. This unit utilizes a 24 V nominal DC logic power supply, a 380 V maximum intermediate circuit DC voltage, and a nominal current of 2.5 A. 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 1669371. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.