Description
Discover top - notch precision arc performance with a modern, user - friendly interface. The Dynasty TIG power sources cut down on errors and help you achieve high - precision welds every time, taking your welding skills to the next level.
- Miller's Advanced Tech: A powerful and compact AC/DC inverter offers excellent arc performance with full AC arc - shaping. Autoline lets you connect to any global voltage or frequency while using half the power of regular machines.
- 7 - inch LCD Interface: An easy - to - understand interface with a 7 - inch LCD display ensures correct machine setup and parameter selection. On - screen explanations and dynamic images make parameter selection a breeze.
- Quiet Pulse: Select sine or triangular waveshape to activate QuietPulse and reduce noise.
- Blue Lightning HF Arc Starter: Initiate the arc without contact. It provides more consistent starts and better reliability than traditional starters.
- Lift - Arc: Start the AC or DC arc without high frequency.
- Auto - Line Technology: Connect to any input voltage from 208 - 600V without manual linking, perfect for any job site and unreliable power.
- Program Memory: Save your parameters in nine independent program memories.
- Pro - Set™: Eliminate guesswork when setting weld parameters.
- Locks and Limits: Control weld parameter ranges to meet welding procedure specifications.
- USB Port: Easily update software, back up settings, and transfer saved programs between units.
- Cooler - On - Demand: Operate the auxiliary cooling system only when needed, reducing noise, energy use, and contaminants.
- Cooler Power Supply (CPS): An integrated 120 - volt receptacle to power the Coolmate 3.5.
POWER SOURCE ONLY
Video
Specifications
Click the image below to view the full spec sheet
Included with Product
Accessories



Using the Miller Dynasty 400 is quite straightforward. First, connect it to a power source within the 208 - 600V range using the provided power cord. Thanks to the Auto - Line Technology, you don't need to do any manual linking. Set up your weld parameters on the 7 - inch LCD display. The Pro - Set™ feature will help you avoid guesswork. If you want to reduce noise, activate the Quiet Pulse by choosing a sine or triangular waveshape. When starting the arc, you can use either the Blue Lightning high - frequency arc starter for non - contact initiation or the Lift - Arc method without high frequency. To save your favorite settings, use the nine independent program memories. For maintenance, keep the machine clean and use the Cooler - On - Demand feature to prevent overheating and reduce the intake of contaminants. Also, use the USB port to update the software regularly. Remember, this is a power source only, so make sure to check the compatibility of any additional accessories you plan to use.