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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.

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About

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Products

Browse our catalog of building automation and lighting controls devices.

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From the Blog

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


Lighting Applications: UL 924 vs. UL 1008

There are some very crucial differences between our UL924 and UL1008 products that we will explore in this edition of Tech Tuesday!... Read More


Appliance Garage Relay

In this week's Tech Tuesday, learn how our Dry Contact Input RIB Relays can help you incorporate "appliance garages" into your counter tops!... Read More


20 Amp NEMA 4 RIB Relay for Outdoor Use

Need a relay rated for outdoor use? Learn about our 20 Amp NEMA 4 Relay in this brand new Tech Tuesday!... 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.