Smart-UPS On-Line provides high density,true double-conversion on-line power protection for servers,voice/data networks,medical labs,and light industrial applications. Recent family extensions at 15 and 20 kVA enable support of power hungry blade servers or heavily loaded equipment racks. When business-critical systems require runtime in hours,not minutes,Smart-UPS On-Line can be configured with matching battery packs to comply with aggressive runtime demands. The entire Smart-UPS On-Line family provides value to customers with demanding power environments,including very wide input voltage window,extremely tight output voltage regulation,frequency regulation,internal bypass,and input power factor correction.