... 250/60hz, DC voltage 3)Duty Cycle:60% 42Years Warranty 1, Diesel Welding Machine Generator Set Information, Welding GeneratorDC ... Waveform Distortion ≤2.5% Voltage Unbalance Under Unbalanced Loads≤;3%InsulationClass H (125K)Generator TypeOpen Type, Weatherproof/Soundproof, ... loss, save over 40% than the traditional welder. 3,Generator Set information,Rated Frequency: 50/60hz.Rated Voltage:Frequency at ...