Super energy-saving, three-phase amorphous distribution transformer core, Low core loss, low noise, Range: 30KVA ~ 2500KVA. ... transformer core adopts American G.E. manufacturing techniques.Amorphous Material CharacteristicsEasier to be magnetized, is widely used in transformers, the no-load loss ... density and high permeability, low coercivity, low loss and low exciting current but with good temperature ...