Eaton's Power-Sure 700 is a tap changing transformer that can solve 99 percent of electrical disturbance problems to better protect your equipment. This computer-grade, three-phase transformer features standard and advanced metering with 97 perfect efficiency. Combining the reliable frequency regulation you expect from an Eaton tap changing transformer with high frequency filtering and an optional manual bypass switch, the Power-Sure 700 is the ideal transformer for any industrial application.