This product offers high impulse insulation strength, excellent partial discharge performance, compact size, and lightweight design. It is well-suited for high-altitude and high-seismic regions. With a fully enclosed structure, it ensures reliable sealing, stable quality, and a long service life. Its transient response characteristics meet internationally leading standards. The product has been successfully deployed in key national projects, including the State Grid Ningxia Lingzhou 750kV Substation bay expansion project.