Products

Products
Single-Phase Encapsulated
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
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
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
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
Three-Phase Encapsulated
General purpose encapsulated transformers rated 30 KVA to 75 KVA for rugged environments including refineries, chemical plants, and marine applications.
Drive Isolation
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
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
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
Industrial Control; IC
Jefferson® Industrial Control encapsulated transformers are available from 50 VA to 5000 VA for use in industrial and commercial control applications.
Pool and Spa
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
Landscape
Jefferson® Landscape Power Supplies for use in outdoor lighting applications, 300 Watt to 1800 Watt units are available.
Custom Solutions
Custom Designs
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
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.