ESU has Electricians Supplies in San Diego

circuit breakerFor over four decades now, ESU has been a trusted name in the electrical supplies industry, setting the standard for quality and reliability. Our extensive inventory features a wide range of new, surplus, and recycled electrical supplies, power transformers, circuit breakers, panels, fuses and much more, catering to both the commercial and residential markets. What sets ESU apart is our specialization in providing hard-to-find and obsolete items, ensuring that even the most unique electrical needs are met. With a rich history of 40 years in business, we have established ourselves as a go-to source for a vast array of electrical solutions.  Operating in the heart of San Diego, we pride ourselves on being a dependable partner for customers seeking top-notch products and expert guidance. With ESU, you're not just investing in electrical supplies – you're investing in a legacy of excellence and innovation that spans decades.

For 40 years, ESU has been at the forefront of the electrical supplies industry, offering unmatched expertise and a comprehensive inventory to customers in San Diego and beyond. With a legacy built on quality and commitment, we stand as a pillar of reliability for both the commercial and residential markets. Our extensive selection encompasses new, surplus, and recycled electrical supplies, ensuring that we cater to a wide range of project requirements. What truly sets us apart is our knack for sourcing and specializing in obsolete and hard-to-find items, bridging the gap between traditional and modern solutions. As technology evolves, our dedication to staying ahead of the curve and providing innovative solutions remains unwavering. At ESU, we don't just supply electrical components – we provide a legacy of service, expertise, and excellence that spans generations.

ESU Inc has been in the electrical supply business for decades now so 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.

What sets us apart is our unique offering – we not only provide top-notch new equipment, but we also buy used and surplus electric power transformers, circuit breakers, and panelboards. Our commitment to sustainability and cost-effectiveness ensures that both customers and businesses can find the solutions they need. Whether you're looking to purchase new equipment or looking to offload surplus items, Electrical Supplies Unlimited is your trusted partner. Explore our diverse inventory and experience the convenience of a one-stop shop for all your electrical supply needs.

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 the 92121 zip code area, 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!