... 30KVA~4000KVA 2.Rated voltage:11KV~33KV 3.KEMA certified 11KV Grade C Insulation Dry-Type TransformerSG(C)10 ... Applies to high fireproofing, load fluctuating, unventilated, incommodious, dirty and moist environment such as power plant field, subway, metallurgy, ... , high-rise building, shipping centre, crowded resident zone, and the special environment such as petro-land chemical industry, nuclear ...