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Jefferson Electric

The Transformer Authority

Jefferson Electric is a leading international designer and manufacturer of dry-type transformers. Jefferson's broad line of dry-type transformers are made in the US and are backed by quality assurance systems so stringent that each and every unit gets thoroughly tested before it goes out the door.

Jefferson Electric has been a pioneer and innovator of magnetic products since 1915. We enjoy a rich tradition of supplying the automotive, lighting, communication, transportation, commercial, military, government and industrial markets. They continue that tradition today with high-quality dry-type transformer products for the contractor, elevator and OEM markets. This page consists of a variety of technical datasheets for the Jefferson Electric product line.

File Size
Jefferson Main Catalog 8,885 KB
Totally Enclosed Non-Ventilated Transformers 887 KB
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Literature Updates
Dry-Type Standard and Custom Transformers
Jefferson Electric Dry-Type Standard and Custom Transformers
Industrial Control Dry-Type Transformers
Jefferson Electric Industrial Control Dry-Type Transformers

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