ESU buys and sells new & used Major Brand Electric Power Transformers. 66 kV, 69 kV, 110 kV, 115 kV, 132 kV, 138 kV, 220 kV, and 230 kV. Standard sizes for 480- to 120/208-volt wye transformers include 15, 30, 45, 75, 112.5, 225, 300, and 500 kilovolt-amperes

Electrical Supplies Unlimited buys and sells new and used Transformers, Circuit Breakers,Fuses, Switches, Plugs and more for San Diego surrounding areas  We will buy your used Acme Electric Transformer

Welcome to ESU, your go-to destination for all your electrical supply needs in the San Diego area. At ESU, we specialize in buying, selling, and stocking a wide range of electrical transformers, including those from industry-leading brands such as Siemens Energy AG, General Electric Company, Hitachi T&D Solutions, Inc, Mitsubishi Electric Corporation, and ABB Ltd. Whether you're an electrician working on a project or a homeowner looking for quality transformers, ESU has you covered. Our extensive inventory includes new, surplus, and recycled transformers, ensuring that you have access to the best products at competitive prices.

At ESU, we take pride in being a reliable and sustainable source for electrical transformers. We understand the diverse needs of electricians and homeowners alike, and our commitment to stocking transformers from reputable brands guarantees the highest quality. From Siemens to General Electric, Hitachi, Mitsubishi, and ABB, our inventory reflects our dedication to providing top-notch products. Whether you're looking for cutting-edge technology or more budget-friendly options, ESU is your trusted partner in San Diego. Contact us today to explore our range and experience unparalleled service in the electrical supplies industry.

Let ESU be your premier source for electrical supplies in San Diego. As a leading electrical solutions provider, we specialize in buying, selling, and stocking a diverse range of transformers, including the renowned Acme Electric line. Whether you're an electrician working on a commercial project or a homeowner tackling a DIY electrical upgrade, ESU has you covered. Our inventory comprises new, surplus, and recycled transformers, ensuring a cost-effective and sustainable approach for all your electrical needs. With a commitment to quality and reliability, ESU is dedicated to providing the San Diego community with top-notch products and expertise. Explore our extensive range of electrical transformers and experience the ESU difference – where excellence meets affordability in every electrical solution.

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 are a fully stocked Electrical Distributor and Electrical Wholesaler with many different lines in stock. We specialize in  hard to find items. 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 stock most major brands including Acme Electric, General Electric, ITE Siemens, Cutler Hammer, Square D, FPE Federal Pacific, Pushmatic, Zinsco, Crouse Hinds, Challenger, Westinghouse, Sylvania, and Bryant.

Featured Transformer Specifications

480 Volt Delta Primary Voltage; 240 Volt Delta/120 Volt Secondary Voltage; 150 Deg C Temperature Rise; Aluminum Winding Type; (2) +2.5 Percent X (4) -2.5 Percent Taps; Insulation Class 220; T30 Model