How Was The Domestic Sealed Pole Vacuum Circuit Breaker Developed?
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In recent years, as mature Embedded Pole vacuum circuit breaker products of foreign companies such as ABB are gradually being introduced to the market, our company has drawn on its experience and technology to wrap the transition layer between epoxy resin and porcelain shell, and used APG technology to make the vacuum interrupter with the wrapped transition layer into a solid-sealed phase column. The whole machine technology of the research institute passed the type test at the "Shenyang" test station from September 2001 to June 2002, and has been put into mass production and sales after being put into operation.
