951000007 - Miller Maxstar 400 DC TIG Complete Water-Cooled Package

Industrial DC TIG Welding Solution

The Miller Maxstar 400 Complete Package (951000007) represents the pinnacle of industrial DC TIG and Stick welding technology, bundled into a turnkey solution designed for heavy fabrication, pipe welding, and precision manufacturing. This package eliminates the complexity of sourcing individual components by combining the powerful Maxstar 400 power source with a high-capacity Coolmate 3.5 cooling system, a rugged Runner Cart, and a premium water-cooled torch kit. Engineered for reliability in the most demanding environments, the Maxstar 400 delivers up to 400 amps of welding output while maintaining exceptional arc stability.

Auto-Line Power Management

One of the most critical features for industrial facilities is the Auto-Line power management technology. This allows the machine to hook up to any primary input voltage from 208 to 575 volts, single- or three-phase, 50 or 60 Hz, with no manual linking required. This flexibility ensures that the Maxstar 400 can be deployed anywhere in the facility or in the field without worrying about power compatibility. Furthermore, the machine handles dirty or unreliable power with ease, maintaining a steady arc even when input voltage fluctuates.

Advanced Process Control

For critical code work, the Maxstar 400 offers sophisticated control over the welding arc. The Blue Lightning high-frequency arc starter provides non-contact initiation that is more consistent and reliable than traditional HF systems, allowing for custom start parameters based on tungsten diameter and material thickness. The system also features high-speed DC TIG pulsing capabilities (up to 5000 pulses per second), which increases puddle agitation, arc stability, and travel speeds while reducing heat input and distortion. This makes it an ideal choice for welding thin materials or critical root passes in pipe fabrication.

Complete Water-Cooled System

This "Complete" package is designed for high-duty cycle applications. The inclusion of the Coolmate 3.5 and the W-375 water-cooled torch ensures that operators can weld at higher amperages for longer periods without overheating equipment. The Cooler Power Supply (CPS) is an integrated 120-volt receptacle on the Maxstar specifically dedicated to the cooler, ensuring it powers on and off with the machine to prevent torch failure.