Confidence & Peace of Mind in Every Box

Quality. Simplicity. Durability.

TIB100A Transformer

We test every single product that leaves our manufacturing floor to ensure quality standards are met, if not exceeded.

Ease of installation and long-lasting quality are what bring RIB customers back again and again. Continued, consistent performance saves time and money, so you don’t have to go back to the jobsite and troubleshoot.

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RIB stands the test of time when it comes to quality. We have seen relays on the job installed for over two decades without interruption. The continuous performance and durability give our customers the confidence they need to know when a job is done, it is done well.

The Industry Standard

The Industry Standard

For over 50 years, HVAC and BAS technicians, electricians, and other contractors have depended on our products to assure their projects go smoothly, on time, and on budget. Trade schools across the country rely on RIB to teach their students how to be productive workers in the field.



Besides being offered at a value price, RIB saves you money every day after install. With long-lasting performance, you won’t have to spend money on truck rolls. Value today & value tomorrow.

Ease of Installation

Ease of Installation

RIBs are easy for apprentices and novice technicians to install. Our self-contained products are labeled with diagrams that show you exactly how to wire them. Once you learn how to use RIB products, you’ll never forget.

RIB Building Automation

Functional Devices offers a wide range of products for building automation.

RIB® relays, current sensors, AC and DC power supplies, intelligent field devices, custom peripheral devices, transformers, power control, UPS power supplies, wireless devices, enclosures, and mounting track

RIB Lighting Controls

Functional Devices offers a variety of products for lighting control applications.

UL924 emergency lighting bypass/shunt relays, UL924 inverters, EnOcean® enabled wireless relays, transmitters and sensors, closet light controllers, and ballast lighting fixture controllers

Circuit Board Background Blue


Our new 2023 RIB® Catalog is available NOW! Click below to download or request a printed copy, or download.

ISO Certification Logos

We’ve been awarded ISO 9001:2015 certification for our Quality Management System. This recognition underscores our unwavering dedication to maintaining the highest level of quality, efficiency, and customer satisfaction throughout every stage of our operations. Additionally, it reinforces our position as a market leader and exemplifies our ongoing commitment to delivering the most reliable and economical solutions to its customers. Please view the certificate and press release for further details.

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RIB Road to Success

RIB Road to Success


RIB’s unique discovery process involves asking questions about your projects and applications to make sure that we understand your needs.


Our inside sales and operations teams will acknowledge your order and make sure you are aware of when the product will ship.


We have dedicated sales and engineering resources to support all your questions and needs on product specs, orders, and deliveries.


Continual improvement is our goal, so we stay close in touch with our customers to understand how their needs are changing to continue to be of best service.


Learn More About RIB®

Check out our extensive product line or stay up to date with RIB news and information by signing up for our monthly email newsletter!