The Dynasty 300 Series is a powerful combination of capability and portability. It can weld up to 3/8 in. thick material.
This AC/DC TIG/Stick power source features an energy-efficient inverter design and Auto-Line™ technology. With an intuitive LCD display, program memory for up to 99 custom weld programs, and Pro-Set™ controls for simplified parameter setup, this machine delivers precision and ease of use. QuietPulse™ technology reduces noise during DC pulse welding, while Hot Start™ adaptive control ensures reliable arc starts.
Auto-Line™ accepts 208–600 V single-phase or three-phase input with no manual linking, making it ideal for job sites with variable or unreliable power.
Rated output 250 A / 20 V at 60% duty cycle and weighing just 55 lb., the Dynasty 300 handles TIG, Stick, pulsed TIG, and air carbon arc processes.
This package includes:
- Dynasty 300 power source with adjustable shoulder strap and center carry handle
- Coolmate™ 1.3 cooler
- Small Runner™ cart
- 8 ft. power cord (no plug)
Torch, remote control, and coolant are sold separately — pair with a Weldcraft™ W-280 torch kit (recommended for the 300) and Low-Conductivity Coolant to complete your setup.
Specifications
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| Processes |
AC/DC TIG (GTAW), Pulsed TIG (GTAW-P), Stick (SMAW), Air Carbon Arc (CAC-A) |
| Amperage range |
1–300 A (DC), 2–300 A (AC) |
| Input power |
208–600 V, single- or three-phase (Auto-Line™) |
| Rated output |
250 A at 20 V, 60% duty cycle |
| Net weight (power source) |
55 lb. (25 kg) |
| Enclosure rating |
IP23 — suitable for outdoor use when sheltered from precipitation |
| Warranty |
True Blue® 3-year warranty on power source, parts and labor |
