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

circuit breaker Electrical Supplies Unlimited buys and sells new Transformers and more for Winchester, Riverside County and surrounding areas including Temecula, Murrieta, 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.

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 veAre you in need of electrical supplies for your projects or home upgrades? Look no further than Electrical Supplies Unlimited (ESU), your trusted source for all things electrical. With over 40 years of experience serving the community, ESU specializes in providing a wide range of new, used, and hard-to-find electrical supplies to meet your specific needs. From power transformers to circuit breakers, panel boards, fuses, and more, ESU has you covered. Our extensive inventory ensures that you'll find what you're looking for, whether it's brand new, surplus, or recycled supplies. Plus, our commitment to customer satisfaction means you can trust ESU for quality products and reliable service every time.ry 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 which Circuit Breaker is right for your requirement.

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