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Type CM is a classic on-load tap changer composed by diverter switch & tap selector. It covers the widest application range from small power up to large power transformers. After a long history of operation and modifications, today type CM is one of the most reliable tap changers, which is able to withstand heavy duty with over 1,000 daily operations in furnace application.
Type CMD is designed with state-of-the-art technology and concept. Its unique contact system ensures superior performance for carrying heavy load and enduring short circuit current. In large power and ultra high voltage transformers, Type CMD is the natural choice to achieve high reliability.
Type CV is a typical selector switch structure tap changer, an ideal solution for medium power transformers (up to 110kV) down to distribution transformers. Its compact size allows transformers designers to achieve the most optimal tank design.
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