Johnson Electric Coil Company

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Single Phase and Three Phase Autotransformers

We supply single and three phase autotransformers to a number of different industries, delivering the high-quality, durable components they need, for a wide range of applications. Our engineers are adept at working to different specifications. In addition to the “off the-shelf” selection of single and three phase autotransformer options other companies offer, we can customize transformers to meet your specific requirements. Our team is experienced at working on specialist projects, providing innovative, cost-effective transformers that exactly meet your needs.

Being a specialty autotransformer manufacturer, we can move your design requirements forward by creating a prototype, testing that it works, and assuring production of electrical single or three phase autotransformers that are exactly what you need—to your schedule, on time, in shipments that work for you. To find out more about our single phase autotransformers, three phase autotransformers, or other products, call us at (800) 826-9741.

Our products are all made in Antigo, WI

Johnson Electric Coil Company provides complete design, engineering, and manufacturing services to supply our customers with the finest, most efficient and cost-effective single phase and three phase autotransformers. Our autotransformer design and manufacturing capabilities are some of the broadest in the industry. We can fully support our customer’s safety agency requirements with expertise in both domestic and foreign agency requirements. In addition to our specialty engineering and manufacturing services, we work with our customers to customize scheduling, packaging, shipping, billing, and communication practices to meet their unique inventory management, product handling, delivery, and customer service needs. Our goal is to provide a level of quality and service that enables our customers to be leaders in their markets. While we mainly sell in the US, our single phase and three phase autotransformers are found all over the world as components in OEM equipment. We pride ourselves on being the only transformer company our customers need.

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Outstanding Customer Service

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