... AC output problem warning. Model500VA1000VA2000VA3000VA4000VA5000VA6000VADC INPUTInput Voltage (Vdc)12V/24V/48V/110V/220VReverse Noise Current≤10%AC BypassBypass ... Input/output voltage, frequency, output current, temperatuerLEDline,inverter,battery,output LoadMECHANICAL19 Inch Rack Type(D×W×H ... 11KG (3KVA); 12KG (4KVA); 13KG (5KVA); 14KG (6KVA) 220V Pure Sine Wave Power Inverter (0.5kVA-6kVA)