Buying New & Used Electrical Transformers in Lake San Marcos

circuit breaker Electrical Supplies Unlimited buys and sells new power Transformers and more in Lake San Marcos, North San Diego County and surrounding areas including Oceanside, Carlsbad, Vista, Fallbrook and more. Of course, we can arrange shipment on a wide variety of products to service those outside our area. We will also purchase your used Transformers.Welcome to Electrical Supplies Unlimited (ESU), your one-stop destination for premium electrical components in Lake San Marcos, San Diego. As a trusted supplier, ESU specializes in buying, selling, and stocking a comprehensive range of top-quality electrical transformers, circuit breakers, panelboards, fuses, and more. Our commitment to excellence ensures that electricians in the Lake San Marcos area have access to a diverse inventory of reliable and industry-standard electrical supplies. At ESU, we understand the importance of seamless operations for electricians, and that's why we strive to provide a wide selection of essential components to meet the varied needs of professionals in the field. Trust ESU for unparalleled service and a robust inventory, empowering electricians in San Diego with the tools they need to deliver exceptional results.

Electrical Supplies Unlimited (ESU) is your go-to source for electrical components in Lake San Marcos, San Diego. Specializing in the procurement, sale, and stocking of premium electrical transformers, circuit breakers, panelboards, fuses, and more, ESU is dedicated to supporting the local electrician community. Our extensive inventory is carefully curated to meet the diverse needs of electricians, offering a reliable and efficient supply of industry-standard components. Whether you're a seasoned professional or just starting in the field, ESU provides the essential electrical supplies required for successful projects. Count on ESU for unparalleled service, quality products, and a seamless experience as you navigate the world of electrical work in Lake San Marcos and throughout San Diego.

ESU Inc has been in the electrical supply business for over 40 years as of 2024. We have a large inventory of new, surplus and recycled electrical supplies both for the commercial and residential markets.  We can offer the best pricing on your used and obsolete Electrical Transformers as our large client base allows us to give you the highest price possible.

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 purchase most major brands including Acme, Westinghouse, Cutler Hammer, ITE Siemens, FPE  Federal Pacific, Square D, General Electric and Zinsco products. We are a fully stocked Electrical Distributor and Electrical Wholesaler with many different lines in stock. If you have surplus electrical equipment to sell in Lake San Marcos, give ESU a call!

Our inventory consists of a large selection of Circuit Breakers, Transformers, Disconnects, Panelboards to 600v, Fuses up to 3000 Amps, Bolt Switch Pullouts, Motor Starters and Relays, Meter sockets, Lighting ballasts, Metal Halide and Sox bulbs. We also carry Lithonia Commercial and residential lighting fixtures as well.

We are transformer and electrical hardware experts. Do not hesitate to call us at 858.558.2850 to find out how ESU can help you with your excess Transformer needs.

Your one stop go-to guys. Always at your service!