Factory-Reconditioned Campbell Hausfeld RBWS280000 230-Volt AC Stick Welder Duty cycle: 20% & 180 amps Amp control dial provides infinite output adjustment Integrated thermal overload circuit breaker for added protection Reconditioned Campbell Hausfeld products have a One Year warranty through the Campbell Hausfeld factory or an authorized service center Welds from up to 3/8 Inch mild steel 230 Volt 50 Amp input Use welding rod sizes 1/16 Inch to 1/8 Inch Factory Reconditioned.