PION range of low voltage transformers comprise of double wound and custom designed transformers. PION transformers are available in open enclosed, oil cooled models to suit the customer requirement. Air cooled transformers are available in Open and Enclosed models. The enclosed models are supplied in sheet steel enclosures. Louvering is provided for the heat dissipation of the generated heat. Oil cooled transformers are housed in MS Tank and provided with adequate pressed steel radiators to ensure proper heat dissipation Oil cooled units are available with standard accessories viz. oil level indicator, drain plug / drain valve, earth terminals, unidirectional CI wheels, Oil fill hole and terminal covers.