The Oil insulated Combined Transformers featured an excellent insulation stress control using a fine graded bushing (less weight, less oil volume, increase safety and reliability). It also have maintenance free and safe to use. This product can ranges from 72.5 kV up to 300 kV and only single foundation is needed by combining CT and VT in one housing.
This transformers was made with a high quality mineral oil insulation, PCB free, biological decomposition and porcelain or Composite insulator. It also equipped with hermetically sealed stainless steel metallic bellows. Its rated primary currents can rise up to 5000 A and its rated secondary current is from 0,5 A to 5 A. The maintenance of this product is for lifetime of more than 30 years.