STANDARD VFD PANELS Vfd In Enclosure. The VIE is a pre-engineered variable frequency drive mounted inside a NEMA enclosure with an Eaton Power Defense circuit breaker, cooling fan with NEMA rated inlet and outlet filters, control power transformer, NEMA rated door mounted controls, terminal blocks for field connections. Several VFD manufacturer options, including: Eaton, TECO-Westinghouse,…