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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.
In this Tech Tuesday, we go over our top 10 most universal RIB relay product offerings!... Read More
Learn about our brand new Step Down Transformers for Lighting Controls!... Read More
Introducing our new Mechanically Latching Panel Mount Relay Series!... Read More
A few months ago, we published a blog to spotlight our recently released, BACnet® MS/TP compatible, Revenue Grade, Power Meter (RIBPM413-BC). In this blog, we will be co... 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.