• Switchgear in San Diego

ESU, Inc. - Circuit Breakers, Transformers & Electrical Supplies for San Diego County Electricians & Home Owners

 

Who We Are

Electrical Supplies Unlimited (ESU) is your trusted San Diego source for Circuit Breakers, Transformers, Electrical Supplies, Panelboards, Disconnects & Safety Switches, Fuses, Meter Sockets, and commercial or residential electrical equipment. We buy and sell new, used, surplus, and obsolete electrical products for contractors, electricians, industrial facilities, and homeowners throughout San Diego County and beyond. Whether you need replacement circuit breakers, hard-to-find transformers, panel upgrades, or specialty electrical components, ESU provides over 40 years of expertise, extensive inventory, and dependable electrical supply solutions.

 

Have an emergency? Call our emergency hotline 619-778-1174 (opening fee may apply)

We can ship anywhere same day if required!

We Buy & Sell New & Used Transformers in San Diego, Orange County and Riverside Counties and all across the United States. 

Want to sell to us? Electrical Supplies Unlimited has decades of experience in buying used or new transformers and surplus equipment. Don’t hesitate to contact us to sell any electrical transformers and surplus that you are looking to receive instant payments at best offers available for. Email us at Edesuinc@yahoo.com with pictures of the items, location, and phone number.