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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

Employee Spotlight: Matt Long

How long have you been at Functional Devices? Next month will make nine years. What made you want to become an engineer? I have a weird relationship with math – I r... Read More


Providing Override Feedback to Your Controller with our RIB® Device

Most people that call Functional Devices, Inc. Technical Support are aware of our popular products like RIB® relays, current sensors, power supplies and transformers, bu... Read More


Employee Spotlight: Dolores Medlen

How long have you been at Functional Devices? I started on January 17, 2005. What made you want to work at Functional Devices? At first it was just to get out of the hous... Read More


Relay: Similar to a Light Switch!

Many times when I take tech calls, I will answer a question on how to wire up a RIB® relay to control a load. When this happens, I have a go-to analogy that always seems... 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


Outside Sales

How do you want to spend your work week? Surrounded by creative minds working together at a privately-owned business? Traveling to customers... View Job