We've got distributors across the US and Canada, as well as online.
We've got an interactive map to help you find a lighting rep near you.
Since 1969, Functional Devices, Inc. has been designing and manufacturing quality electronic devices in the United States of America. Our goal is to provide our customers with reliable and economic products along with world-class support from our sales and engineering experts.
Learn more about Functional Devices' history and people.
Browse our catalog of building automation and lighting controls devices.
Need help? We offer documentation, downloads, and live technical support.
Recently one of our awesome customers provided us with a really cool application write-up. Check it out here!... Read More
Our most popular RIB® Relay is now available in 5, 10, 25, and 100 count Multi-Packs!... Read More
This week's Tech Tuesday is all about current sensor and relay combos!... Read More
A customer needed a relay device with low or limited inrush current on the relay coil. Check out this Tech Tuesday to hear how we helped him!... Read More
Interested in joining our team? Functional Devices is always on the lookout for great people! Check out our open positions and see if you might be a good fit.