Power transformers MV/MV or HV/MV three-phase oil immersed power transformers, with natural or forced cooling ONAN/ONAF, off load or on-load tap-changer, rated power in the range 4 - 40 MVA, insulation class up to 170 kV.
Transformers three-phase MV/LV cast-resin transformers with MV and LV windings casted/impregnated by epoxi-resin, or with open type windings of the thermal class F-H, with natural or forced cooling AN/AF, power up to 5 MVA, insulation class 7.2-12-24-36 kV.
Three-phase or single-phase MV/LV oil immersed distribution transformers for rated power up to 3MVA, with off load or on-load tap-changer insulation class 7.2-12-24-36 kV.
Auto-transformers, voltage regulators for MV or HV network with on-load tap-changers, rated power up to 1000 MVA, insulation class up to 170kV.
Special transformers for hexa-phase or dodeca-phase conversion plants.
Three-phase or single-phase reactors for traction plants, conversion plants, MV or HV network for the limitation of short circuit currents.