VPI transformers are used Vacuum Pressure Impregnation (VPI) technology, a process that involves vacuum and pressure impregnation with specialized insulating resins that penetrate deeply into the transformer's winding components.

This advanced insulation process ensures efficiency, reliability, and a longer transformer lifespan, while also guaranteeing safer operation.

VPI transformers are uniformly protected against moisture, dust, and vibrations, which enhances their thermal and electrical performance while significantly reducing maintenance needs over time.