150 kVA Transformers

ESU Sells New, Used & Recycled Circuit Breakers, Transformers and Electrical Supplies for the San Diego, Orange County, Riverside and LA areas!

Electrical Supplies Unlimited (ESU) is a trusted supplier of 150 kVA Transformers for commercial, industrial, and large-scale electrical applications throughout San Diego County and Southern California. With over 40 years of experience in the electrical supply industry, ESU offers a robust selection of new, used, and surplus 150 kVA Transformers designed to deliver dependable voltage regulation and long-term performance. Whether you’re replacing aging infrastructure or installing new electrical systems, ESU provides expert guidance to ensure the right transformer solution for every project.

ESU maintains a carefully curated inventory of 150 kVA Transformers suitable for manufacturing facilities, multi-tenant buildings, data rooms, and other high-demand environments. Customers can choose from dry-type and power transformer configurations, all inspected to meet safety and operational standards. By offering both new and surplus options, ESU helps electricians and contractors control project costs without sacrificing reliability—making ESU a preferred source for 150 kVA Transformers in San Diego, Orange County, Riverside, and Los Angeles.

In addition to sales, ESU actively purchases surplus and obsolete transformer equipment, offering competitive buyback pricing and convenient pickup services. From sourcing hard-to-find 150 kVA Transformers to arranging nationwide shipping, ESU delivers fast turnaround and responsive service. When performance, availability, and expertise matter, Electrical Supplies Unlimited remains a leading electrical supplies company for high-capacity 150 kVA Transformers and complete transformer solutions.

In addition to our extensive inventory, we also buy new and used electrical equipment. Whether you're upgrading, downsizing, or clearing out surplus stock, we’re interested in purchasing equipment from major brands such as SquareD, Siemens, ITE, Cutler Hammer, General Electric, Federal Pacific, Pushmatic, Zinsco, Crouse Hinds, Challenger, Westinghouse, Sylvania, and Bryant. We're especially looking for items like Circuit Breakers, Transformers, Disconnects, Panelboards up to 600V, Fuses up to 3000 Amps, Bolt Switch Pullouts, Meter Sockets, Lighting Ballasts, and specialty bulbs including Metal Halide and Sox. Reach out today to turn your unused inventory into cash.

ESU Inc also rents electrical equipment. Greenlee Wire Pullers, Conduit benders as well as many other electrician tools.
Talk directly to one of our specialists, Ed, Scott, Kevin or Chris at 858.558.2850 for assistance. Have an emergency? Call our emergency hotline 619-540-2952