Model: RM1K RM1KL RM2K RM2KL RM3K RM3KL RM6KL Capacity: 1000VA/ 700W 2000VA/ 1400W 3000VA/ 2100W 6KVA/ 4200W Input Voltage: 115~ 300VAC 176~ 276VAC 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 Range 56~ 64Hz) : Battery Mode: 60Hz ( 1± 0.2% ) Output Wave Form: Sine Wave Back-up Time Full Load e52Depends on the capacity of the external batteries bank e92 Depends on the capacity of the external batteries bank e52 Depends on the capacity of the external batteries bank Half Load: e142 e212 e152Depends on the capacity of the external batteries bank Battery Nominal Voltage: 36VDC 96VDC 240VDC Transfer Time: 0ms Overload Capacity: 110% ~ 150% maintain 30s then turn to bypass output, over 150% maintain 300ms 105% ~ 130% 10min, over 150% 1min Communications: RS-232+ Intelligent Slot Operating Environment Temperature: 0 ~ 40 Degree Humidity: 15% ~ 90% Dimensions( W* D* H) mm: 482.6* 450* 88, 482.6* 600* 130 Net Weight( Kg) : 16.00, 9.00, 10.50, 11.50, 11.00, 12.50, 19.50