The main characteristics of the specifications are:

• Climatic class "C2": Equipment that can work with environmental temperature up to -25°C.
• Environmental class "E2": Equipments ready to work in environmental humidity up to 95% an with high pollution.
• Fire behavior class "F1": Self-extinguishable transformers in a short period of time starting from the disconnection of the transformer and without production of opaque smoke and halogen-free.