Miller Electric Maxstar 400 TIG Welder
$6,597.00
The Miller Electric Maxstar 400 TIG Welder is a high-power DC TIG and Stick welding machine engineered for industrial fabrication, process piping, and heavy-duty stainless steel applications.
Overview Miller Electric Maxstar 400 TIG Welder
The Miller Electric Maxstar 400 TIG Welder is a compact yet powerful DC TIG and Stick welding power source designed for advanced industrial welding applications. Capable of welding steel and stainless steel up to 5/8 inch thick, it combines high-amperage output with precise arc control to deliver consistent weld quality while conserving energy compared to traditional transformer machines.
Built for fabrication shops, process pipe work, and industrial construction, the Maxstar 400 provides the performance and flexibility required for demanding environments where productivity and repeatability are critical.
Features and Performance
- DC TIG and Stick welding capability for steel and stainless steel
- High 400-amp output supports thick materials and heavy fabrication
- High-speed DC TIG pulse control improves arc stability and travel speed
- QuietPulse technology reduces audible noise and smooths pulse transitions
- Intuitive LCD interface with guided setup and clear parameter selection
- Pro-Set feature simplifies setup by automatically selecting optimized parameters
- Program memory stores up to 99 custom weld programs for repeat jobs
- Blue Lightning high-frequency arc start ensures reliable, non-contact TIG ignition
- Auto-Line technology adapts automatically to a wide range of single- and three-phase input voltages
- Excellent Stick welding performance with adjustable DIG and adaptive Hot Start
This machine is ideal for professionals looking for a high amperage TIG welder for industrial fabrication and process pipe.
Why You Should Buy it
- Designed for continuous-duty industrial welding environments
- Advanced pulse control improves weld quality on thick and thin materials
- Flexible power input minimizes downtime across multiple facilities
- Compact footprint delivers power without excessive space requirements
- Trusted solution for construction, fabrication, and stainless steel welding
- Backed by a 3-year manufacturer warranty for long-term reliability
If you need a professional DC TIG welder for heavy-duty applications, the Maxstar 400 delivers the power, control, and efficiency required for demanding jobs.
| Specification | Details |
|---|---|
| Input Voltage | 208 / 220–240 / 380–400 / 460–480 / 575–600 V |
| Input Phase | Single- and Three-Phase |
| Frequency | 50 / 60 Hz |
| Welding Processes | TIG (DC), Stick |
| Amperage Range | 3 A – 400 A |
| Material Thickness Capacity | Steel: 0.012 – 5/8 in |
| Weldable Metals | Steel, Stainless Steel |
| Current Type | DC |
| Weld Output Type | Constant Current (CC) |
| Max Open Circuit Voltage | 75 VDC |
| Dimensions (W x H x L) | 13.9 in x 24.1 in x 24.3 in |
| Net Weight | 126 lbs |
| Portability | Lift eye standard, optional running gear |
| Warranty | 3 Years |
- Maxstar 400 power source
- Primary power cord
- Dinse-style connectors
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