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 537321 industrial component operates on a 24 V DC nominal operating voltage with permissible voltage fluctuations of +/- 25% and features flash memory data backup alongside a red 3-digit 7-segment display with a touch-sensitive keyboard using 3 keys. It incorporates 8 digital inputs and 5 digital outputs designed as per IEC 61131-2 in positive logic (PNP) without galvanic isolation, complemented by electronic fuse protection for outputs with a max tripping current of 500 mA via the sum of all outputs. Compliance includes RCM, CE marking as per EU EMC and RoHS directives, UKCA marking to UK instructions for EMC and RoHS, and continuous shock resistance tested to severity level 2 per DIN/IEC 68 Part 2-82. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 537321. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.