... 2004; GB/T10228-2008; IEC726 2. Voltage Grade: 6KV, 10KV, 11KV,13.8KV,15KV,20KV,22KV3. Voltage Regulation Mode: No-load ... piece of copper foil, with strong anti-shortcut capacity. The core is made of silicon steel. By reasonable choosing magnetic density ... light, and easy for installation. Technical Data of Cast Resin three Phase Dry Type Transformer Loss(kW) Impedance voltageInsulation LevelWeight (kg ...