March Spotlight on Functional Devices
This March, we're putting the spotlight on Functional Devices, the name behind the industry's most trusted relay-in-a-box (RIB®) products. For over 55 years, Functional Devices has been designing and manufacturing reliable building automation components right here in the USA, and there's never been a better time to stock up.
Why Contractors Choose Functional Devices
100% Tested, 10-Year Warranty
Every product is 100% tested before shipping, contributing to a field failure rate of less than 1 in 16,000. Backed by a 10-year limited warranty.
Made in the USA
Designed and manufactured in the USA since 1969, with operations in Sharpsville, Indiana, supporting reliable supply and fast fulfillment.
Drop-in Integration
RIB® relays are engineered for seamless compatibility with virtually any building automation system, reducing installation time and simplifying retrofits.
Broad Product Range
From relays and current sensors to power supplies, transformers, and enclosed controls.
Featured Products