Buying New & Used Electrical Power Transformers for Bay Terraces

circuit breaker Buying New & Used Electrical Power Transformers, Circuit Breakers and Panels

Electrical Supplies Unlimited buys and sells new Transformers and more for Bay Terraces in San Diego and surrounding areas including Chula Vista, National City, Paradise Hills, San Miguel Ranch, Lincoln Acres, Lynwood Hills 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.

Welcome to ESU, your trusted partner for all your electrical supplies in Bay Terraces, San Diego. We specialize in a comprehensive range of new, surplus, and recycled electrical components, catering to the needs of both electricians and homeowners. At ESU, we buy and sell high-quality electrical transformers, circuit breakers, panels, fuses, and more. Our commitment to sustainability is reflected in our offering of recycled electrical components, providing eco-friendly solutions without compromising on performance. Whether you're a professional electrician or a homeowner undertaking a DIY project, ESU is your go-to source for reliable electrical supplies. Explore our extensive inventory to find the right components for your needs and experience the convenience of working with ESU.


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. If you have excess Transformer inventory for sale in Bay Terraces, 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!