Capacity: 3KVA / 2100W Phase: Single Phase Technology: High frequency and double conversion on-line technology Fully digitized microprocessor control Wide input voltage range: 115VAC(±5) ~ 295VAC(±5) if load ≤ 70% LCD display UPS startup without battery Cold start Advanced battery management Automatic battery charge in UPS off mode Lightning and surge protection Short circuit and overload protection Fan speed auto control when loads varies Network/Fax/Modem surge protection Optional extension battery pack Battery voltage display Load capacity display EMI/RFI noise filter Smart RS232 communication with monitoring software Optional SNMP Card slot EPO function(optional) Input L and N reversed alaram function Battery: 8x 12V / 7AH Ideal applications: Small network, servers and other IT equipment