Reliance Controls is North America’s largest manufacturer and leading supplier of manual transfer switches since introducing the original “loadside” transfer switch design in 1983. We currently offer more than 500 different types of generator transfer switches, panels, and accessories to meet nearly every generator connection need.

As the leader in portable power integration, we've been awarded more than 85 patents on manual transfer switches, time switches, and accessories. After over a century of innovation, we've proudly built a reputation for high quality, superior engineering, and exceptional customer service.

We're proud of the trust that our distributors, contractors, and consumers have in us. We make the products that you can count on, the products that support your portable stand-by power equipment.

Customer service is important to us and is one of the key pillars of our company. You can reach us via phone, email, and across our social channels with any questions.