Medium voltage resin-encapsulated dry-type electrical transformers have achieved a high degree of reliability due to technological progress in recent years. Our production complies with international standards E2, C2, F1 certified (CESI Italy). Therefore, they can be used even with a high percentage of humidity and pollution, eliminating risks of fire and emissions of toxic and harmful substances.

For special applications, such as offshore or wind-type installations, class E3 (IEC 60076-16) can be guaranteed.

Being made entirely of insulating materials, which are flame retardant and self-extinguishing, they do not need all the building conditions that normally must be applied to oil immersed ones to prevent the spread or spread of fire.

All FOHAMA ELECTROMECANICA production is manufactured with galvanized elements and insulating materials in class F or H, in some cases they are pre-impregnated. The windings are vacuum encapsulated with epoxy resin or impregnated with polyester resin in class H. The transformers can be provided with metal casings with the requested IP protection degree and with galvanized sheet for exterior mounting. Thus, the production of this equipment is suitable for installation in hospitals, banks, public and residential buildings, ships, tunnels, subways, windmills, oil platforms, etc.

The connection between the winding and the terminal bar is made by automatic welding in a protected atmosphere.

The winding terminals are mechanically anchored to the yokes, being practical, compact, and easily accessible.