circuit breaker Electrical Supplies Unlimited buys and sells new Transformers and more for the Garden Grove area in Orange County and surrounding areas including Newport Beach, Irvine, San Juan Capistrano, San Clemente, Dana Point, Mission Viejo, Lake Forest, Irvine and many more. Of course, we can arrange shipment on a wide variety of products to service those outside our area. We will also purchase your used Transformers.


ESU Inc has been in the electrical supply business for over 40 years. We have a large inventory of new, surplus and recycled electrical supplies both for the commercial and residential markets.  We can offer the best pricing on your used and obsolete Electrical Transformers as our large client base allows us to give you the highest price possible.

Are you an electrician or a homeowner in Garden Grove, Orange County, in need of reliable electrical supplies? Look no further than Electrical Supplies Unlimited (ESU). As your go-to source for all things electrical, ESU offers a wide range of products, including new, surplus, and recycled electrical power transformers, circuit breakers, panels, fuses, switches, and much more. Whether you're tackling a residential project or working on a commercial job, ESU has you covered with top-quality supplies to meet your needs. With our extensive inventory and commitment to customer satisfaction, ESU is your trusted partner for all your electrical supply needs in Garden Grove and beyond.

Electrical Supplies Unlimited (ESU) is the premier destination for electricians and homeowners seeking high-quality electrical supplies in Garden Grove, Orange County. With a comprehensive selection that includes new, surplus, and recycled electrical components such as power transformers, circuit breakers, panels, fuses, and switches, ESU has everything you need to complete your electrical projects with confidence. Our commitment to customer satisfaction means you can trust ESU to provide reliable products at competitive prices, backed by exceptional service. Whether you're upgrading your home's electrical system or tackling a commercial installation, ESU is here to support you every step of the way. Visit us today and experience the convenience of finding all your electrical supplies under one roof.

Our staff is very knowledgeable and our mission is to ensure that our customers expectations are exceeded. Ask around, our reputation is what makes us! Or just call to find out yourself at 858.558.2850.

We purchase most major brands including Acme, Westinghouse, Cutler Hammer, ITE Siemens, FPE  Federal Pacific, Square D, General Electric and Zinsco products. We are a fully stocked Electrical Distributor and Electrical Wholesaler with many different lines in stock. If you have excess Transformer inventory for sale in Garden Grove, give ESU a call!

Our inventory consists of a large selection of Circuit Breakers, Transformers, Disconnects, Panelboards to 600v, Fuses up to 3000 Amps, Bolt Switch Pullouts, Motor Starters and Relays, Meter sockets, Lighting ballasts, Metal Halide and Sox bulbs. We also carry Lithonia Commercial and residential lighting fixtures as well.




We are transformer and electrical hardware experts. Do not hesitate to call us at 858.558.2850 to find out how ESU can help you with your excess Transformer needs.

Your one stop go-to guys. Always at your service!