Products

- 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.
- Landscape Power Supplies

- Jefferson® Landscape Power Supplies for use in outdoor lighting applications, 300 Watt to 1800 Watt units are 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.
- Lighting Ballasts

- Jefferson Electric offers ballasts for Fluorescent, Compact Fluorescent and HID applications including Metal Halide, High Pressure Sodium Reactor and Constant Wattage Auto Transformers.
