Model: T1K T1KL T2K T2KL T3K T3KL Capacity: 1000VA/ 700W 2000VA/ 1400W 3000VA/ 2100W Input Voltage: 115~ 300 VAC Frequency: 46~ 54Hz/ 56~ 64Hz Output Voltage: 220/ 230/ 240 ( 1± 1% ) VAC Frequency: 50/ 60Hz ( Adjustable) 50Hz AC Mode: Follow AC Mode ( AC Range 46~ 54Hz) ; Battery Mode: 50Hz ( 1± 0.2% ) 60Hz AC Mode: Follow AC Mode ( AC Range56~ 64Hz) ; Battery Mode: 60Hz ( 1± 0.2% ) Output Wave Form: Sine Wave Back-up Time Full Load e52 Depends on the capacity of the external battery bank e92 Depends on the capacity of the external battery bank e52 Depends on the capacity of the external battery bank Half Load: e142 e212 e152 Battery Nominal DC Voltage: 36VDC 96VDC Transfer Time: 0ms Overload Capacity: 110% ~ 150% maintain 30s then turn to bypass output, over 150% maintain 300ms Communications: RS-232+ Intelligent Slot Environment Temperature: 0C~ 40C Humidity: 15% ~ 90% Dimensions( L* D* H) mm: 145* 400* 220, 192* 460* 340 Net Weight( Kg) : 14.00, 7.00, 34.00, 13.50, 34.50, 14.00