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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.

About

Learn more about Functional Devices' history and people.

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Products

Browse our catalog of building automation and lighting controls devices.

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From the Blog

Top 10 RIB Tips and Tricks

Here's a list of our top 10 RIB tips and tricks!... Read More


UV Light in an Air Handling Unit

Need help finding a relay device to turn on and off the UV light in your air handling unit? Then this is the perfect Tech Tuesday for you!... Read More


Coil Transient Voltage Suppression

"Do your relays have a freewheeling, flyback or steering diode on the coil, because my spec is calling for one?" Let's talk about that in this week's #TechTuesday.... Read More


Our Response to the COVID-19 Pandemic

Functional Devices would like to update you on our response to the COVID-19 pandemic. We have taken great consideration as we evaluated how to keep our employees safe and... Read More


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Careers

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.