Output Output power capacity 600 Watts / 1.0kVA Max Configurable Power (Watts) 600 Watts / 1.0kVA Nominal Output Voltage 230V Output Frequency (sync to mains) 50/60 Hz +/- 1 Hz Unsynchronised Topology Line interactive Waveform type Stepped approximation to a sinewave Output Connections (4) Universal receptacle Transfer Time 6 ms typical : 10 ms maximum Input Nominal Input Voltage 230V Input frequency 50/60 Hz +/- 5 Hz Auto-sensing Input Connections BS1363A British Cord Length 1.5meters Input voltage range for main operations 170 - 280V Number of Power Cords 1 Batteries & Runtime Battery type Lead-acid battery Expected Battery Life (years) 3 - 5 Efficiency View Efficiency Graph (Available in Technical Tab on site)  Communications & Management Control panel LED Status display with on line : on battery Audible Alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm Surge Protection and Filtering Surge energy rating 156Joules Physical Maximum Height 93MM 9.25CM Maximum Width 161MM 16.05CM Maximum Depth 305MM 30.5CM Net Weight 5.7KG Shipping weight 6.0KG Shipping Height 237MM 23.7CM Shipping Width 143MM 14.3CM Shipping Depth 373MM 37.3CM Color Black SCC Codes 10731304344053 Environmental Operating Temperature 0 - 40 °C Operating Relative Humidity 0 - 90 % Operating Elevation 0 - 2032.1meters Storage Temperature -20 - 50 °C Storage Relative Humidity 0 - 90 % Storage Elevation 0 - 15240meters Audible noise at 1 meter from surface of unit 40.0dBA Protection Class IP20