The Maxmech Inverter Welding Machine TIG/MMA-400 is an industrial-grade, dual-function DC inverter machine. It utilizes robust MOSFET inverter technology designed for high-precision Tungsten Inert Gas (TIG/Argon) welding as well as standard Manual Metal Arc (MMA/Stick) weldingPower Input: 3-Phase AC 380V (requires a industrial 3-phase power supply or a heavy-duty industrial generator).Output Current Range: 10A to 380A (for both TIG and Stick operations).Rated Duty Cycle: 60% at maximum load (can run continuously for 6 minutes out of a 10-minute cycle at full power).Inverter Frequency: 100 kHz high-frequency arc starting.Weight & Portability: Approximately 29.6 kg net weight.