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Brands

We carry a wide variety of brands, including:
Allen Bradley
General Electric
Siemens
Square D
Cutler Hammer / Westinghouse

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Jefferson Electric Transformers

We are distributors for Jefferson Electric . We sell their full line of dry type transformers.

Single and Three Phase
Encapsulated and Ventilated
We stock 480 - 240/120 and 240 - 208/120
Free Shipping on Most Orders

We have been selling Transformers for over 30 years. Contact us or call us today at 1-888-588-6560, and we’ll help you find exactly what you’re looking for.

Single-Phase Encapsulated: General purpose encapsulated transformers rated 0.050 KVA to 25 KVA for lighting, industrial and commercial applications. Can be used indoors or outdoors.

Single-Phase Ventilated: General purpose ventilated transformers rated 25 KVA to 100 KVA for lighting, industrial and commercial applications. Can be used indoors or outdoors (with optional weathershields).

Three-Phase Encapsulated: General purpose encapsulated transformers rated 3 KVA to 15 KVA for lighting, industrial and commercial applications. Can be used indoors or outdoors.

Three-Phase Ventilated: General purpose ventilated transformers rated 15 KVA to 500 KVA for lighting, industrial and commercial applications. Can be used indoors or outdoors (with optional weathershields).

Floor Mount Encapsulated: General purpose encapsulated transformers rated 30 KVA to 75 KVA for rugged environments including refineries, chemical plants, and marine applications.

Drive Isolation: Three-phase transformers; Encapsulated rated 3 KVA to 11 KVA and Ventilated rated 14 KVA to 550 KVA. Designed for industrial and commercial applications using SCR-controlled adjustable frequency or DC drives.

Non-Linear: The Jefferson® Plus™ line of non-linear transformers are designed to meet the load demands caused by computers and other electronic equipment. Available in ratings from 15 KVA to 300 KVA. Specified using the Underwriters Laboratories K-factor rating standard.

Buck Boost: Jefferson Electric Powerformer™ single-phase encapsulated Buck-Boost transformers are the most economical means available for stepping voltages up or down in many common applications. Available in ratings from 0.050 KVA to 10 KVA.

Industrial Control Transformers: Jefferson® Industrial Control encapsulated transformers are available from 50 VA to 5000 VA for use in industrial and commercial control applications.

Pool and Spa: Jefferson® Pool and Spa single-phase encapsulated transformers are available use with submersible lighting fixtures of 100 to 1000 lamp watts.

Outdoor Lighting: Jefferson® Outdoor Lighting transformers, 300 Watt to 1200 Watt, up to 22V taps available.

Custom Solutions: Jefferson’s experienced staff will design and produce the transformer that precisely matches your exact specifications and regulatory requirements to support your installation.

Seismic Qualified: Jefferson Electric offers Seismic Qualified Transformers. Many construction projects and their components are now required to be seismic qualified. A seismic qualification ensures the component will withstand and operate after an earthquake.

Totally-Enclosed, Non-Ventilated: Jefferson Electric's line of totally enclosed, non-ventilated transformers (TENV) are designed for use in dirty environments such as production areas where the transformer may need to be washed down. The air in dirty environments may contain conductive, combustible material, moisture or dust.

CSL-3 Higher Efficiency

Jefferson Electric's CSL-3 units are manufactured to the same quality standards as our TP-1 units. Jefferson Electric CSL-3 units are assembled using high-quality core steel and copper windings.