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 546991 is an industrial component measuring 85 mm in width, 122.9 mm in length, and 55.1 mm in height, featuring an IP20 degree of protection and CRC corrosion resistance class 1. It operates within an AS-Interface DC voltage range of 26.5 V to 31.6 V and a DC load voltage range of 21.6 V to 26.4 V, supporting up to 4 valve positions, 4 digital inputs, and 1 slave per device. Equipped with M12 socket and plug interfaces for AS-i, the unit provides device-specific diagnostics for AS-i voltage, address, watchdog/I/O status, and supply conditions. Submit the exact part number, quantity, and application requirements to request a quote for this item.
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 546991. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.