Surplus Electrical Power TransformersElectrical Supplies Unlimited buys and sells new and used surplus power Transformers and more for Torrey Pines, North San Diego County and surrounding areas including La Jolla, Oceanside, Encinitas, Del Mar, Cardiff, Vista, San Marcos, Escondido and 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 30 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.

Welcome to Electrical Supplies Unlimited (ESU Inc), your trusted partner in the electrical supply industry for over four decades! Proudly serving electricians in the Torrey Pines area of San Diego, ESU has become synonymous with reliability and expertise. With a rich history spanning 40 years, we have cultivated a reputation for excellence in providing high-quality electrical supplies to both the commercial and residential markets.

At ESU, our commitment to meeting the diverse needs of our customers is reflected in our extensive inventory. From essential components like Power Transformers, Circuit Breakers, and Fuses to comprehensive solutions such as Panelboards and Switches, we offer a wide range of products to support your electrical projects. As a fully stocked Electrical Distributor and Electrical Wholesaler, we take pride in our ability to cater to various demands, offering both new and used electrical equipment. Our specialization lies in tracking down those hard-to-find items, ensuring that your specific requirements are met with precision. Trust ESU Inc for all your electrical supply needs – where experience meets excellence.

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. Single Phase, Three Phase and Buck Boost transformers.

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!