SG(10) model open ventilated dry transformer has features of fire resistance, self distinguished, moisture resistance, anti-crack and free-maintenance. It is widely used for high buildings, commercial center, subway, airport, station, industrial mining enterprise and power plant, especially suitable for inflammable, explosive, etc. fire protection site.

Technical features:

1.Low voltage coil is winded with copper foil. High voltage coil is with NOMEX insulation material and constant structure, and also immersed with VPI vacuum pressure facility many times. H grade non-solvent insulation, high temperature baked and solidified, high mechanic strength, fine heat dissipation and high bearing ability of shot circuit.

2.Low noise, small volume, easy installation and free maintenance

3.Small partial discharge, high insulation and long term service life