Isolation Transformer :
Isolation and ultra Isolation Transformers are available in Air Cool and Oil Cooled model from the range of 1KVA to 500 KVA.
Continously Variable Voltage Autotransformer : Single Phase and 3 Phase Air Cool and Oil Cooled model available upto 1000Amp, 0-270VAc per pahse and 0-470 VAC 3 phase.