Inverter DC ARC Welder,High duty cycle, stable arc,energy saving,economical,INVERTER TECHNOLOGY,CEM A. ... shape with high quality of welding bead4. Easy for arc starting, little spatter, excellent welding performance 5. Stable performance, automatic voltage ... cable distant weldingB. Technical parameters ItemsDetailsCurrent160(A)Input voltage Frequency(V,HZ)220V/50HZEfficiency80 (%)Power Factor(COS) ...