The CyberPower maintenance bypass cabinet, MBC45ITCT, is a 45kW step-down transformer that converts 600V or 480V 3phase input voltage to 208V 3phase output. For use with either the CyberPower SM020KAMFA 20kVA 208V 3phase system or the SM040KAMFA 40kVA 208V 3phase system. A Three-Year Warranty ensures that it has passed our highest quality standards in design, assembly, material or workmanship. ...