120v to 480v step up transformer4160v to 480v transformer480v to 208v 3 phase transformer480v to 400v 3 phase transformer480v 3 phase step down transformer480v 3 phase to 240v single phase480v 1 phase480v isolation transformer480v to 240v 3 phase transformer480v to 230v 3 phase transformer600v to 480v transformer 3 phase480v 3 phase to 220v single phase
