10kV, 20kV / S13, S20, S22 Oil-Immersed Distribution Transformers
The S13, S20, and S22 series fully sealed oil-immersed transformers are designed for use in AC power systems with a frequency of 50 Hz and rated operating voltages of 20 kV or lower. They serve as distribution transformers in industries such as petroleum, metallurgy, chemical processing, textiles, and light manufacturing, as well as in environments with high dust levels.