technical Specifications Print Technical Specification Download Output Max Configurable Power (Watts) 540Watts / 900VA Output Frequency (sync to mains) 50/60 Hz +/-1 Hz Topology Line Interactive Waveform type Stepped approximation to a sinewave Transfer Time 10ms typical : 12ms maximum Input Input frequency 50/60 Hz +/- 3 Hz (auto sensing) Input voltage range for main operations 176 - 294V Batteries & Runtime Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Typical recharge time 12hour(s) Expected Battery Life (years) 3 - 5 RBC Quantity 1 Battery Volt-Amp-Hour Capacity 128 Runtime View Runtime Graph View Runtime Chart Communications & Management Interface Port(s) USB Control panel Multi-function LCD status and control console Audible Alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm Surge Protection and Filtering Data Line Protection Network line - 10/100/1000 Base-T Ethernet (RJ-45 connector) Filtering Full time multi-pole noise filtering :10% of IEEE surge let-through : zero clamping response time: instantaneous Physical Maximum Height 190MM, 19.0CM Maximum Width 91MM, 9.1CM Maximum Depth 310MM, 31.0CM Net Weight 7.0KG Shipping weight 8.0KG Shipping Height 255MM, 25.5CM Shipping Width 440MM, 44.0CM Shipping Depth 143MM, 14.3CM