... Frequency(Hz):50/60 Product Profile: (MMA welding machine)model:PT91101Welding Current Range(A):10~ ... .3.Excellent arc characteristics,stable arc,good welding performance and high quality.With anti-stick ... energy savings up to 30%.5.With Auto protection functions of over-curent and over- ... etc.With complete accessories:Electrode holder,earth clamp,welding cable,brush/hammer,protective mask,carton box. ...