Multi Process Welders Shopmate Input Voltage 230/460/575 Input 66/57/29/23 Amps Output Range 5-400 Amps OCV 80 60 Hz Duty Cycle 60 1 Phase Rated Output 250A at 30VDC Wire Size .023 - .045 In. Overall Height 24.5 In. Overall Width 19 In. Overall Depth 25.5 In. CSA Certified Includes Power Source