MIG Welder Series Millermatic Input Voltage 110/115/120V AC Phase Single-Phase Welding Mode CV Polarity DC Input Frequency 60 Hz Welding Processes Flux Cored Welding (FCAW) MIG Welding (GMAW) For Wire Type Flux-Cored Solid Maximum Wire Diameter 0.03 in (Solid Steel) 0.03 in (Stainless) 0.035 in (Flux Cored) Maximum Wire Feed Speed 600 in/min Model Millermatic 142 MIG Welding Output @ Duty Cycle 100 A @ 19 V 60 Percent 80 A @ 18 V 100 Percent