Free Shipping 
Worldwide manufacturer shortages are impacting delivery times. Lead times are more variable than other websites imply. We are a top distributor for Miller Welding; nobody will get you this faster. Call 1-844-682-0205.
Miller Maxstar 400 TIG/Stick Welder #907716
T-Shirt
Welding type:
Stick
Tig
Material type:
Mild Steel
Stainless Steel
Power supply:
220V Single Phase
220V 3 Phase
460V
Documents
Videos
Multi-Phase
Miller Maxstar 400 #907716
The Maxstar 400 is a high-performance TIG/Stick welding power source ideal for large-scale and precision metal fabrication applications. Miller’s Auto-Line Power Management allows for input voltage from 208 to 575v, making it ideal for any job setting--especially those with unreliable power.
Equipped with an arsenal of Miller-exclusive technologies, the Maxstar 400 enables smooth and precise arc welding in TIG mode and exceptional arc control in Stick mode. Miller’s Cooler-On-Demand™ and Fan-On-Demand™ ensure adequate cooling when needed while reducing noise, energy use and contaminants pulled through the cooler.
Included with the Maxstar 400:
- 400 model 8 ft power cord
- Setup DVD and reference guide
- 2 Dinse-style connectors (55 mm)
Lowest Prices and Free Shipping Within the Lower 48
When you shop Welders Supply, you can always count on the lowest possible online prices on quality welding equipment and supplies. You also get free shipping on all orders over $300 (within the continental US).
View our large selection of welding machines including MIG welders, TIG welding machines, and welding accessories with the best prices online.
| Input Power |
3-phase 1-phase |
|---|---|
| Welding Amperage Range |
3-phase: 3-400 A 1-phase: 3-400 A |
| Rated Output |
3-phase: 250 A at 30 V, 100% duty cycle 300 A at 32 V, 60% duty cycle 1-phase: 200 A at 28 V, 100% duty cycle 250 A at 30 V, 60% duty cycle |
| Max. Open-Circuit voltage |
75 VDC |
| Dimensions |
H: 24.75 in. (629 mm) W: 13.75 in. (349 mm) D: 22 in. (559 mm) |
| Dimensions with TIGRunner |
H: 43.125 in. (1,095 mm) W: 23.125 in. (587 mm) D: 43.75 in. (1,111 mm) |
| Net Weight |
134 lb. (61 kg) |
| Net Weight with TIGRunner |
251 lb. (114 kg) |
SHIPPING DIMENSIONS |
|
| Height: | 29.00 Inches |
| Width: | 15.00 Inches |
| Length: | 27.00 Inches |
| Weight: | 136 Lb(s) 0 Oz |
