San Ysidro Electrical Transformers for Otay Mesa, San Diego

Electrical Supplies Unlimited buys and sells new power Transformers and more for Otay Mesa, San Diego County and surrounding areas including Electrical Supplies Unlimited buys and sells new Circuit Breakers, Transformers, Fuses, Switches, Plugs and more for Otay Mesa in San Diego city and surrounding areas including Jamul, Alpine, La Presa, Rancho San Diego, Lakeside, Winter Gardens, Santee, El Cajon  and many more. Of course, we can arrange shipment on a wide variety of products to service those outside our area. We will also buy your used Transformers. 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 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.

ESU is your go-to destination for electrical transformers in Otay Mesa, San Diego. As a comprehensive electrical supplies company, ESU takes pride in our unique ability to buy, sell, and stock new, surplus, and recycled transformers. Our inventory includes trusted brands such as Hammond, Siemens, Acme, and General Electric (GE). Catering specifically to electricians in Otay Mesa West, we provide a diverse range of voltage transformers that meet the highest industry standards. Whether you're in need of transformers for general-purpose applications, lighting, or power loads in commercial and industrial settings, ESU has you covered. Our commitment to quality and sustainability makes us a preferred choice for electricians seeking reliable transformers to support electrical distribution needs. Explore our extensive selection and experience the ESU advantage in powering your projects.

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!