Gembird EG-UPSO-3000, Online UPS, 3000 VA - UPS type: online, pure sine wave Switching time: zero Backup time: 8...20 mins (depends on the load) Sockets: input IEC C14, outputs: 2x Schuko sockets 3x IEC sockets Power: 3000 VA (2700 W) Online type UPS: double voltage conversion without switching the power, USB control interface, LCD display, Short circuit protection, Compatible with power generators of any brand, Surge, spike and lightning protection, Audible and visual alarms, Overcharge and overdischarge protection Više informacija na linku