Electrical Power Transformers, Circuit Breakers, Panels and more for Riverside!

circuit breaker Electrical Supplies Unlimited buys and sells new Transformers and more for Murrieta Hot Springs, Riverside County and surrounding areas including Temecula, Lake Riverside, Anza, Palm Desert, Palm Springs, Menifee, Lake Elsinore 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.

If you are in Murrieta Hot Springs, Riverside County, and in need of a reliable electrical supplies company, look no further than Electrical Supplies Unlimited (ESU). For over 40 years, ESU has been the go-to destination for electricians and homeowners alike, offering a comprehensive range of new, used, and hard-to-find electrical supplies. From power transformers to circuit breakers, panel boards, fuses, and more, ESU has you covered. Whether you're embarking on a new project or in need of specific supplies, ESU buys, sells, and stocks a wide variety of electrical components, ensuring you find exactly what you need to get the job done. With a commitment to quality and customer satisfaction, ESU is your trusted partner for all your electrical supply needs in Murrieta and beyond.

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.

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.

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!