The on load capacity regulating tap changer is used for three phase oil-immersed capacity regulation power transformer with rated capacity of 315 kVA, 400 kVA and 630 kVA at 50Hz / 60Hz, and the voltage class is 12kV. This type on load tap changer has high stability and reliability for your free maintenance.
1. Transformer Voltage Class: 12kV
3. Capacity Regulation Method: HV(A-Y); LV(series-parallel connection)
4. Max Step Voltage: 6000V
5. Contact Resistor：HV < 500μΩ，LV < 250μΩ