* Power Class (kVA): From 25 kVA to 5000 kVA.

* Voltage Class (kV): Up to 36 kV

* Tank Type: Oil expansion tank (open to atmosphere)

* Frequency: 50Hz or 60 Hz

* Cooling Type: ONAN or Customized

* Certification: IEC own specification of the concerned country.

* Vector Group: YZN, DYN or Customized

* Conducting Material: Electrolytic Copper or Electrolytic Aluminum.

* Phase: Three or Single

* Geographical Conditions: Concerned country’s conditions (Altitude, Humidity, Temperature values etc.)

* Accessories: Oil Level Indicators, Sign Plate, Dial Thermometer, Moisture Holder, High Voltage and Low Voltage Cable Boxes, Wheel (All of the accessories depend on the specifications and customer demand).