circuit breaker Electrical Supplies Unlimited buys and sells new Transformers and more for Los Alamitos in Orange County and surrounding areas including Garden Grove, Huntington 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.

Looking for a reliable source for electrical supplies in Los Alamitos? Look no further than Electrical Supplies Unlimited (ESU). As your go-to destination, ESU offers a comprehensive range of new, surplus, and recycled electrical products, catering to the needs of electricians and homeowners alike. Whether you're in search of electrical power transformers, circuit breakers, panels, fuses, switches, or any other electrical components, ESU has you covered. Our extensive inventory ensures that you'll find everything you need to complete your electrical projects efficiently and effectively. With a commitment to quality and customer satisfaction, ESU is your trusted partner for all your electrical supply needs in Los Alamitos and beyond.

Electrical Supplies Unlimited (ESU) is your ultimate destination for top-quality electrical supplies in Los Alamitos. Whether you're a seasoned electrician or a homeowner embarking on a DIY project, ESU has the products you need to get the job done right. We specialize in buying, selling, and stocking a wide range of electrical components, including power transformers, circuit breakers, panels, fuses, switches, and much more. Our diverse inventory caters to both residential and commercial projects, ensuring that you have access to the best products at competitive prices. With ESU, you can shop with confidence knowing that you're getting high-quality electrical supplies backed by exceptional customer service. Visit us today and experience the ESU difference for yourself!

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 Los Alamitos, 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!