TIG Welder, For Material Type Aluminum, Specialty Metals, Stainless Steel, Steel, For Maximum Material Thickness 5/8 in (Aluminum), 5/8 in (Steel), For Minimum Material Thickness 0.012 in (Steel), 0.015 in (Aluminum), Input Frequency 50/60 Hz, Max. Input Current 38 A @ 208V (Three-Phase), 52 A @ 208V (Single-Phase), Phase Single-/Three-Phase, Polarity AC/DC, Series Dynasty 400, Stick Welding Maximum Output Current 400 A, Stick Welding Minimum Output Current 3 A WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -