We've got distributors across the US and Canada, as well as online.
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Do you need to figure out where your order is? Click here to find out.
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.
Today, we're talking about how you can use some of our products to make your own RIB, especially a RIB with multiple relays in it.... Read More
Do you need a custom Functional Devices product? Check out this Tech Tuesday to find out how to get it made!... Read More
There is one of our current switches that I doubt as many people know about. It is the Self-Calibrating Current Switch.... Read More
This week, we go over how to wire our transformers!... 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.
