480v three phase480v to 120v transformer single phase4160v to 480v transformer480v to 208v 3 phase transformer480v to 400v 3 phase transformer220v phase converter480v 3 phase step down transformer220v 3 phase inverter480v to 240v 3 phase transformer3 phase to 220v single phase480v to 230v 3 phase transformer600v to 480v transformer 3 phase
