Welcome to Electrical Supplies Unlimited (ESU) — your trusted source for circuit breakers in East San Diego County. We specialize in the purchase and sale of new, used, and surplus circuit breakers, offering reliable, cost-effective solutions for individuals, businesses, and contractors alike. Whether you're upgrading systems, liquidating excess inventory, or seeking affordable equipment, ESU provides a wide selection of breakers across leading brands and specifications. Our commitment to quality, value, and customer satisfaction makes it easy to turn surplus into opportunity or find exactly what your project needs.
At ESU, we combine deep industry expertise with a customer-focused approach to meet the evolving demands of the electrical market. As a premier electrical supply company, we deliver tailored solutions that enhance system performance and meet code requirements. Our large inventory and responsive team ensure you get the right breaker—quickly and hassle-free. From small residential jobs to large commercial installations, ESU is your dependable partner for buying and selling circuit breakers with confidence and convenience.
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.
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!