ESU buys and sells new & used Acme Electric PowerTransformers.


Electrical Supplies Unlimited buys and sells new Circuit Breakers, Transformers, Fuses, Switches, Plugs and more for San Diego surrounding areas  We will buy your used Acme Electric Transformers such as the Low Voltage Distribution Transformer - Three Phase, 480Δ - 240Δ120V, 45kVA model T3045K0023B.

  • More efficient
  • Smaller and lighter
  • 5-10 times increase in KVA
  • Versatile, many applications
  • 60 Hertz Frequency Rating; 3 Phase

ESU Inc has been in the electrical supply business for over 30 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