ype Outdoor Potential Transformers 33 Kv Oil-type Outdoor Potential TransformersAsk For PriceWe are involved in production and supply of a comprehensive range of 3.3 KV Transformers. Outdoor transformers are used to convert high voltage current into low voltage for domestic and commercial applications. Our range of oil type and epoxy cast current transformers is suitable for high tension transmission lines ranging from 3.3 KV to 33KV.