Power Transformers in SunbowTijuana River Valley

Electrical Supplies Unlimited buys and sells new power Transformers and more for Sunbow, Bonita, Chula Vista, San Diego County and surrounding areas including San Ysidro, Otay Mesa West, Otay Mesa, Nestor, Tijuana River Valley 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.

Welcome to ESU, your go-to electrical supplies hub in Sunbow, San Diego. We specialize in simplifying the electrical sourcing process for both electricians and homeowners. At ESU, we pride ourselves on a comprehensive inventory that includes new, surplus, and recycled electrical transformers, circuit breakers, panels, fuses, and more. Whether you're undertaking a major electrical project or need supplies for routine maintenance, ESU is your trusted partner. Our seamless process of buying and selling ensures that you have access to top-quality electrical components at competitive prices. Enhance your electrical projects with ESU – where reliability, affordability, and sustainability converge to meet your electrical supply needs in Sunbow.

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 electrical equipment in Sunbow, 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!