Low Power Consuming Uninterrupted Power Supply System is designed to power critical loads such as servers, storage systems, telephone equipment, medical systems and industrial applications. The Uninterrupted Power Supply System is ideal for Blade servers with an input power factor close to unity. The Uninterrupted Power Supply System can be used as tower UPS or within a rack mount cabinet, and takes up only 2U in height. Low Power Consuming Uninterrupted Power Supply System ensures optimum functionality for longer period of time.