MIG Welder Series Deltaweld 500 Input Voltage 230V AC 460V AC Phase Three-Phase Polarity AC/DC Input Frequency 60 Hz Welding Processes Flux-Cored Welding (FCAW) MIG Welding (GMAW) For Wire Type Flux-Cored Maximum Wire Diameter 0.045 in (Flux-Cored) Model 951814 MIG Welding Output @ Duty Cycle 500A @ 39V DC 100 Percent