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Compared to the previous model, the Miller Electric Maxstar 350 TIG welder offers pulsing capabilities up to 5,000 pulses per second, a 10-fold improvement, 50 amps more welding power, Auto-Line power management technology and a more robust design. The Maxstar 350 delivers 5 to 350 amp output (300 A at 32 V, 60 percent duty cycle), weighs 135 1/2 pounds and features Auto-Line technology, allowing it to run from any input power, 208 to 575 V, single- or three-phase. A single, full-featured Maxstar 350 model replaced three previous models. An easier-to-understand front panel controls basic TIG welding functions, while a secondary menu controls additional setup parameters and values. The Maxstar 350 is available as a stand-alone unit, as a TIGRunner package featuring the Coolmate 3.5 cooler and a TIGRunner package with cooler and Weldcraft water-cooled torch.