Voltage Transformer, Current Transformer, Knife Switch manufacturer / supplier in China, offering 0.2 Class Medium Voltage Current and High Voltage Transformer Outdoor, Jdzw-10r Potential Power High Voltage Instrument Transformer PT Ratio 11000/110V, Lzzbj9-10 11kv CT/PT Indoor Epoxy Resin Casting Type Instrument Current/Voltage/ Potential Transformer and so on.