- Prista Trafo A HOSIO Prista® Trafo A HOSIO insulating oil is formulated from a severely hydrotreated naphtenic oil additized with phenolic type antioxidant. It is designated for use in high voltage electrical equipment such as transformers, circuit break more
- Prista Trafo A Prista® Trafo A is inhibited transformer oil formulated from highly refined naphthenic type mineral oil additized with phenolic type antioxidant. It is designated for use in high voltage electrical equipment such as transformers, cir more
- Prista Trafo Prista® Trafo is uninhibited insulating oil formulated from highly refined naphthenic type crude oil. It is designated for use in high voltage electrical equipment such as transformers, circuit breakers (switches) etc., demanding a l more