Jefferson Electric has been designing and manufacturing transformers for over 90 years. We have a full line of standard transformer products that are available to ship within days of a customer’s order. Please see our products section for detailed information on our transformers, including Single-Phase, Three-Phase, Ventilated, Encapsulated, Isolation, Non-Linear, Buck-Boost, and Industrial units.

We have an experienced staff of engineers to work with our customers to define the exact transformer to meet their specific requirements. Please see our custom solutions section for more information on ordering a special transformer.

As the Transformer Authority we support our customers in the selection, installation and troubleshooting of transformers. Please see our support section for a wealth of information including frequently asked questions and how to contact our in-house experts.

If you would like printed literature on our products visit the resources section and download our catalog. This section also provides weblinks to electrical industry associations, as well as certification and safety agencies related to the electrical industry.

Jefferson Electric has a long history of supplying quality products; our mission and vision define our commitment to customer satisfaction. If you would like to read about Jefferson Electric’s history or the latest news and information please see the about us section.