"PROTECT A. proves itself in critical situations with its high availability due to sturdy overload and excess voltage protection, as well as a wide input voltage range. The four models in the Protect A series range from 500 VA to 1400 VA providing compact and cost effective data security protection against power outages, surges and fluctuations. • line-interactive UPS technology • automatic voltage regulation (AVR) • double mains filter • USB and RS232 communication interfaces • data line protection Specially:1000VA / 600W, AVR, Double mains filter against voltage peaks. autonomy load1 PC με 17"" TFT approximately 30 minutes, USB & RS232, Shut Down Software, 4+2 IEC 320 C13, Dimensions W x H x D  145mm x 205mm x 405mm,weight 9.5 kg, Software Shutdown. "