470057YY GE321 is a three phase, General Electric (GE) 321 type, energy metering transformer, produced by Alpha Transformers. This type of transformer is used in kilowatt hour (kWh) multi-utility electrical energy metering applications and is designed to provide a safe, secure and accurate distribution of electrical energy through series and parallel connected networks. The 470057YY GE321 transformer features a UL-Listed, epoxy coated steel lamination core, and is rated for a nominal primary voltage of 600V, a secondary voltage of 120/240V, and a power rating of 25VA. Its porcelain encapsulated insulation system ensures reliable performance and offers protection against electrical and physical hazards.