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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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From the Blog

Controlling Multiple Loads with One Input: I/O Expanders

Our I/O expanders can be used in a wide variety of applications to help improve efficiency and consolidate controls. Click here to learn more!... Read More


Using an SIB02S as an Override Switch

The ability to manually override a load ON or OFF in a system is not only desirable for many maintenance workers, sometimes it is required. That is why Functional Devices... Read More


The Convenience of our AC Power Supplies

There is an advantage to the Functional Devices power supplies that one may not notice off the bat. Check out this brand new Tech Tuesday to find out more!... Read More


Shorehill Recapitalizes Functional Devices

We are excited to announce that effective January 4, 2019, Functional Devices has been recapitalized by a group of investors consisting of Shorehill Capital, LLC, Ken Rit... Read More

Production Team Member

Looking for a manufacturing job in the central Indiana area? Come be part of our Production Team! Functional Devices manufactures electronic... View Job