ESU buys and sells new & used Transformers.

Square D 3 phase 15 kVA 240x480V primary 120/240V secondary

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 Transformers.


Low voltage transformer, 3 phase, 15kVA, 240x480V primary, 120/240V secondary, non ventilated dry type, Type 3R

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 General Electric, ITE Siemens, Cutler Hammer, Square D, FPE Federal Pacific, Pushmatic, Zinsco, Crouse Hinds, Challenger, Westinghouse, Sylvania, and Bryant.

Featured Transformer Specifications

Low voltage transformer, 3 phase, 15 kVA, 240x480V primary, 120/240V secondary, non ventilated dry type, Type 3R

Mfr. Model #

15S3HNV