SG10 H-class insulation dry-type power transformer has strong thermal shock resistance, large overload capacity, flame retardancy, high fire resistance, low loss, small partial discharge, low noise, no harmful gas, no environmental pollution, insensitive to humidity and dust, small size, no cracking, and easy maintenance. Therefore, it is most suitable for use in harsh environments with high fire protection requirements, large load fluctuations, and dirty and humid environments. Such as: airports, power plants, metallurgical operations, hospitals, high-rise buildings, shopping centers, densely populated areas, and special environments such as petroleum, chemical, nuclear power plants, and nuclear submarines.