This Ericsson Vertiv R48-3500E3 / BML 901 450/1 Rectifier has a nominal power rating of 3.5 kW and is brand new. It is a switching mode power supply that is perfect for use in various industrial and business applications. With its high efficiency and reliability, it can provide stable and consistent power to your equipment. This rectifier is a great investment for anyone looking for a high-quality power supply that can meet their needs.