Tijuana River Valley

ESU buys and sells new & used Circuit Breakers, Transformers, Fuses, Switches, Plugs and more for Electricians and Home Owners in National City

Electrical Supplies Unlimited buys and sells new power Transformers and more for the National City, San Diego County and surrounding areas including San Ysidro, Otay Mesa West, Otay Mesa, Nestor 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.

Welcome to ESU, your go-to electrical supplies hub in National City, San Diego. As a leading provider, ESU specializes in a comprehensive range of electrical equipment, including transformers, circuit breakers, panels, fuses, and more. What sets us apart is our unique approach – we buy, sell, and stock new, surplus, and recycled electrical components. Whether you're an electrician looking for top-quality supplies or a homeowner embarking on a DIY project, ESU has you covered. Our commitment to sustainability is reflected in our recycled offerings, providing eco-friendly solutions without compromising on quality. Explore our extensive inventory to find the perfect electrical supplies for your needs. Trust ESU for reliability, affordability, and a greener approach to powering up National City.

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.

Welcome to Electrical Supplies Unlimited (ESU Inc), your trusted partner in the electrical supply industry for over four decades. With a rich history spanning 40 years, ESU has been catering to the needs of electricians in National City, San Diego, establishing itself as a reliable source for all things electrical. Our commitment to excellence is reflected in our extensive inventory, catering to both commercial and residential markets. At ESU, we take pride in offering a diverse range of high-quality electrical supplies, including Power Transformers, Circuit Breakers, Fuses, Panelboards, Switches, and more.

As a fully stocked Electrical Distributor and Wholesaler, ESU Inc stands out for its comprehensive selection of new and used electrical equipment. We understand the importance of accessibility and affordability in the electrical industry, which is why we ensure that our inventory meets the needs of our diverse clientele. Not only do we buy and sell electrical equipment, but we also specialize in providing those hard-to-find items that can make a significant difference in your projects. Trust ESU Inc to be your go-to partner for top-notch electrical supplies and unparalleled expertise in National City, San Diego, and beyond.

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!