Miller TIG Welders - TIG Welding and GTAW Welding Machines - MillerWelds

Maxstar® 400 208-575 V

907716
The Maxstar 400 is a powerful, compact power source capable of welding up to 5/8” material. High speed pulse control provides maximum productivity and weld quality while conserving energy compared to traditional welding machines.
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Spec Sheet (ENG)

Features

What's Included

  • Maxstar® 400
  • 8 ft. (2.4 m) primary cord
  • (2) 50 mm Dinse style connectors
DC TIG Features
Exceptionally smooth and precise arc for welding exotic materials. High-speed DC TIG pulse controls - Pulse frequency capable of pulsing 5000 pulses per second. Pulsing adds arc stability, reduces heat input and warpage and can increase travel speeds. Other parameters include peak amperage, peak time and background amperage.
Stick Features (DC)
Tailored arc control (DIG) allows the arc characteristics to be changed for specific applications and electrodes. Smooth running 7018 or stiffer, more penetrating 6010. Hot Start™ adaptive control provides positive arc starts without sticking.
Blue Lightning™ - High Frequency Arc Starter
For more consistent non-contact starts and greater reliability compared to traditional HF arc starters.
Program memory
Program memory features 9 independent program memories that maintain/save your parameters.
Cooler Power Supply (CPS)
An integrated 120-volt dedicated-use receptacle to power the Coolmate™ 3.5. The power switch on the Dynasty also activates the receptacle to help prevent torch failure.
Meter Calibration
Allows meters to be calibrated for certification.
Auto-Line Power Management Technology
Allows for any input voltage hookup (208 - 575 V) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable power.
Upgradeable and Expandable
Front panel memory card data port provides the ability to easily upgrade software and expand product features. Visit MillerWelds.com/tigsoftware for the latest software upgrades and expansions.
Cooler-On-Demand™
Feature operates the auxiliary cooling system only when needed, reducing noise, energy use, and airborne contaminants pulled through the cooler.

Specifications

Processes

Pulsed TIG (GTAW-P)
Stick (SMAW)
TIG (GTAW)
TIG DC (GTAW-DC)
Air Carbon Arc Cutting and Gouging (CAC-A)

General Specifications

Title Maxstar® 400 208-575 V
Industries Interests Aerospace
Construction
Heavy Equipment Manufacturing
Infrastructure
Manufacturing
Railcar
Shipbuilding
Boat / Yacht
High Purity Processing
Material Thickness Steel: 0.012 in. (0.3 mm) - 5/8 in. (15.9 mm)
Weldable Metals Steel
Specialty Metals
Stainless Steel
Input Voltage 208 V
220/230/240 V
380/400 V
460/480 V
575 V
Input Phase 1- and 3-Phase
Input Hz 50 / 60 Hz
Current Type DC
Max Open Circuit Voltage 75 VDC
CACA Thickness 1/4 in
Amperage Min 3 A
Amperage Max 400 A
Net Width 13.75 in
Net Height 24.75 in
Net Length 22 in
Net Weight 135 lbs
Warranty Miller's True Blue Warranty
Portability Lift Eye (Standard)
Running Gear / Cart (Optional)
Weld Output CC

Accessories

W-375 Torch Kit 301268
Weldcraft™ W-375 Super Cool™ Torch Kit and Accessories

The W-375 Super Cool™ is a reliable water-cooled torch designed for demanding, high amperage applications. The W-375 Super Cool is engineered with innovative technology and welding efficiency in mind.
RFCS-14 HD Foot Control 194744
Foot Control, Heavy Duty, 14-pin plug

20 ft. (6 m.) cord
Wireless Foot Control w Adapter
Wireless Foot Control and 14-Pin Receiver

90 ft. (27.4 m.) operating range
RMS-14 On-Off Control
Pushbutton Fingertip Control, Single, 14-pin plug

26.5 ft. (8 m.)cord, Momentary on/off control

Resources

Videos

Pulsing with TIG
Miller Welding Engineer Zack Erndt explains the benefits of using pulse when TIG welding and talks about applications...
Postflow when TIG Welding
Learn about the value of postflow and what to look for if postflow is not set properly. Without proper settings the...