Transformers, Circuit Breakers, Panels and more!

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

Electricians and homeowners in Temecula! Are you in need of reliable electrical supplies for your projects? Look no further than Electrical Supplies Unlimited (ESU). With over 40 years of experience serving the area, ESU is your trusted source for a wide range of electrical components. Whether you're searching for new, surplus, or recycled power transformers, circuit breakers, panel boards, fuses, and more, ESU has you covered. We understand the importance of having the right supplies readily available, which is why we keep a comprehensive stock of products to meet your needs. Count on ESU for quality, affordability, and unmatched expertise in electrical supplies.

Calling all electricians and homeowners in Temecula seeking top-notch electrical supplies! Electrical Supplies Unlimited (ESU) is your go-to destination for all your electrical needs. With over four decades of dedicated service to the community, ESU has earned a reputation for excellence and reliability. Our extensive inventory includes new, surplus, and recycled power transformers, circuit breakers, panel boards, fuses, and much more, ensuring that you find exactly what you need for your projects. Trust ESU to keep your projects running smoothly with our commitment to quality and customer satisfaction. Visit us today and experience the ESU difference!



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 which Circuit Breaker is right for your requirement.

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