UPS nJoy Aster 3K  Power 3000 VA/2700 W  Type On-line  Nominal Input Voltage 208/220/230/240 VAC  Accepted Input Voltage Range 80-300 VAC  Nominal Output Voltage 208/220/230/240 VAC - user selectable  Frequency 50 Hz/60 Hz  Efficiency High efficiency up to 97%  Outlets Input 1 x IEC-320 C20  Output 8 x IEC-320 C13 + 1 x IEC-320 C19  Transfer Time to Battery / AC Zero  Typical Backup Time 25% Load - 25min 2sec  50% Load - 11min 1sec  75% Load - 5min 20sec  100% Load - 3min 20sec  Communication Ports HID USB / RS232 / EPO / SNMP  Software http://www.powermonitor. software/  Battery Type Sealed and leak proof maintenance  Battery Specification 6 X GP09122L  Features Internal bypass  EPO function  Multifunctional color LCD  Output Power Factor 0.9  Generator compatible  ECO Mode for energy saving  Software management  Rack/Tower design  Easy Battery Replacement  External battery pack (optional)  LCD Display UPS status, Load level, Battery level, Input/Output voltage, Discharge timer, and Fault conditions  Environment 0- 40°C (non-condensing)  Physical Dimensions 438 x 610 x 88 mm  Weight: 26 kg  https://www.njoy.ro/ups-commercial/aster-3000#specificatii