Epoxy Resin Cast Solid Sealed Pole
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After the epoxy resin cast Embedded Pole was introduced, it was tried to replace the traditional assembled pole and installed on the ABB spring operating mechanism VD4 vacuum circuit breaker. Due to its excellent performance in insulation reliability, life and many other aspects, the sealed pole quickly achieved great success in business. According to ABB's publicity materials, the production of ABB's sealed poles reached more than 60,000 in 2003, and the production of ABB's sealed poles could reach nearly 100,000 in 2004.
