... mainly components. 3.Newest design, §.FEATURE1.Multifunction, AC/DC MMA, pulsed argon arc welding, cost-saving.2.Control over the zero, lower ... pulse width capacity, suit for alumium welding.7.Two inverters lay in left and right, high reliability, easily maintain.8.Over- ... factor60%Efficiency(%)85Power factor0.93Protection classIP21SInsulation classF COMPANY VIEW: WSME AC/DC IMPULSE WELDING MACHINE