• 85 Meadowland Drive, South Burlington, VT 05403

The Leading Independent Provider of Power Conversion Solutions Since 1963

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High Power Rectifiers and Transformers to Power Aluminum and Steel Production

Dynapower is the world’s largest independent manufacturer of medium and high power rectifier systems for the production of steel and aluminum. With experience in power conversion since the commercialization of the thyristor, Dynapower has designs that cover all topologies. In addition to dynapower high power rectifier systems, we also maintain exclusive rights for manufacturing and service of all products designed and manufactured by Rapid Power Technologies.

Dynapower’s high power rectifier systems are engineered, designed, manufactured, and tested to internationally recognized standards including ANSI, IEEE, IEC, NEMA, UL, CSA, and JEC. Our design capabilities include the complete Transformer Rectifier System – inclusive of fully integrated operator interfaces and control systems for a single unit or entire multi-unit SCADA network. With over 50 years of experience in high power conversion, Dynapower evaluates the impact of the rectifier system on the incoming power grid, and designs power factor correction and harmonic filtering for the particular application to maximize system efficiency. Using the latest rectifier technologies, application engineers can recommend the optimum rectifier configuration for any metals manufacturing project.



High Power Rectifiers Anodizing Rectifier Plating Rectifiers custom and standard rectifier solutions

Solid State SCR

With over 50 years years of experience in the industry, Dynapower is the leading independent manufacturer of custom and standard SCR power supplies. With both air and water-cooled configurations, Dynapower’s SCR units are built to last and endure the harshest environments. With legendary reliability and performance, Dynapower technologies are trusted worldwide by some of the largest steel and aluminum manufacturers.

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high power rectifier Custom Transformers

Custom Transformers

Our transformer products are custom designed to suit your overall system needs. Our dry epoxy cast coil, liquid filled, and dry VMI transformers are wound using copper conductors and core steel is cut in house. At our vertically integrated facility, these transformers are designed, manufactured, and tested in accordance with ANSI and IEEE standards. Other standards can also be considered as required by individual customers.

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DC Crane Rectifier

DC Crane Rectifiers

Dynapower’s DC Crane Rectifiers are designed specifically to power DC crane applications, ensuring your operation is no longer limited by your power supply. With over 50 years of experience, our power conversion equipment is manufactured to endure the harshest industrial environments and most demanding applications. Each of our rectifiers is designed and built for superior performance, legendary reliability and a long operating life.

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Custom High Power Rectifier Systems request a quote Thyristor Rectifiers power conversion
US-Based In-House Engineering
Custom High Power Rectifier Systems Thyristor Rectifiers
In-House US-Based Manufacturing

Experience You Can Trust

Dynapower has over 50 years of experience creating optimal rectifier solutions for metal manufacturers worldwide, as well as providing engineering and maintenance services that fuel long-lasting and mutually rewarding relationships. We have partnered with our customers in metal manufacturing to understand their needs and deliver product perfection as fast as possible. This is crucial to success in a highly competitive metal manufacturing market where every day counts. 


With the leading uptime in the industry and 24/7 technical phone support, we can have our dedicated of service technicians dispatched at a moment’s notice.

CE/CSA and third-party design and labeled products

The reliability and efficiency of our rectifiers coupled with our industry leading service make our customers more money in the long term.

We care deeply about solving the world’s most complex power conversion challenges, and providing our customers with the best solution possible.

Industrial Team

Dev Massimi
Sales Manager Industrial
Jim Kloeckener
Sales Engineer
Pete Abele Dynapower Custom High Power Rectifier Systems
Pete Abele
Senior Systems & Applications Engineer
Mark DeSantis
Senior Sales Engineer

Contact Us

We’re always interested in new projects, large or small. Please don’t hesitate to get in touch with us for your current or future project needs.

To contact us, please call (802) 860-7200 or

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