Single Phase Drum Type Off Circuit Tap Changer

We are a leading Exporter, Manufacturer, Supplier, Trading Company of Single Phase Drum Type Off Circuit Tap Changer in Ningbo, Zhejiang, China. This type of Changer is comprised by tap-changer body and operating mechanism,being adopted by crank principle,compress spring and ring-type motivate contact, they have the merits of reasonable in structure, operating simply, automatic location,good in handling and contact reliable etc.It is suitable for oil-immersed transformer with frequency of 50 or 60Hz,rated voltage 220kV(highest voltage for equipment 252kV)and below, rated current from 220A to 2000A,the body of tap-changer is fixed on the tanking transformer or on the body of lower part of oil tank, the operation mechanism is located on the tank over, they must be working under non-energized condition.