MILLER SYNCROWAVE 300 TIG WELDING MACHINE – 5–300 A OUTPUT, STABLE ARC CONTROL
The Miller Syncrowave 300 TIG Welding Machine (951829) is a TIG/Stick welding power source with a welding current range of 5–300 A, suitable for precision fabrication, maintenance, repair, shipbuilding, pipe fabrication and mechanical applications. The machine supports 208/240/480 V input power and can operate with either single-phase or three-phase power. An intuitive interface, Pro-Set button and Auto-Line technology simplify setup and operation.
1. Miller Syncrowave 300 TIG Welding Machine For Fabrication And Repair
The Miller Syncrowave 300 (951829) is a TIG/Stick welding machine designed for industrial applications including precision fabrication, maintenance and repair, machine manufacturing, shipbuilding, pipe fabrication, automotive applications and vocational training.
With a 5–300 A welding current range, the machine supports a wide range of welding requirements. In addition to TIG welding, the Syncrowave 300 supports Stick welding and pulsed DC TIG.
The intuitive user interface simplifies parameter adjustment during operation. The Pro-Set button provides quick access to factory-set parameters with a single press.

Miller Syncrowave 300 TIG Welding Machine 951829
2. Key Specifications Of The Miller Syncrowave 300 TIG Welding Machine
Key specifications of the Syncrowave 300 include:
- Welding current range: 5–300 A.
- Maximum open-circuit voltage: 60 VDC.
- Input voltage: 208/240/480 V.
- Power supply: Single-phase or three-phase.
- Rated output: 300 A at 22 V, 30% duty cycle.
- Rated output: 210 A at 18 V, 60% duty cycle.
- Machine weight: 45.8 kg.
- Weight with cooler and running gear: 80 kg.
- Welding processes: TIG (GTAW), Stick (SMAW), pulsed DC TIG (GTAW-P).
The 5–300 A welding current range allows the machine to handle welding requirements from low-current applications up to 300 A. Support for both single-phase and three-phase power also provides flexibility for installation in different operating environments.
2.1 Features For Welding Process Control
The Syncrowave 300 includes features designed to support welding parameter adjustment and process control:
- Auto-Line: Automatically connects the power source to 208/240/480 V input power and supports both single-phase and three-phase operation.
- Pro-Set: Provides quick access to factory-set welding parameters.
- AC TIG: Adjustable balance control supports oxide removal for aluminum welding applications.
- DC TIG: Pulsed operation can improve arc stability and travel speed while reducing heat input and distortion.
- DC Stick: DIG control allows the arc characteristics to be adjusted according to the application and electrode type.
- Hot Start: Adaptive control supports arc starting while helping prevent electrode sticking.
The machine features a straightforward interface that gives operators convenient access to welding parameters and machine controls during operation.
3. Applications Of The Miller Syncrowave 300 TIG Welding Machine
The Syncrowave 300 is suitable for a range of applications, including:
- Precision fabrication
- Maintenance and repair
- Machine manufacturing
- Shipbuilding
- Pipe fabrication
- Automotive applications
- Vocational training
For TIG welding applications, the 5–300 A welding current range, together with TIG and pulsed DC TIG processes, allows users to configure welding parameters according to specific requirements. AC TIG with adjustable balance control also supports aluminum welding applications.
4. THP Industry Company Limited Supplies The Miller Syncrowave 300
THP Industry Company Limited supplies the Miller Syncrowave 300 TIG Welding Machine (951829) in Vietnam. The product is available with a clearly identified model number for customers looking for a Miller TIG welding machine for fabrication, maintenance, repair and other industrial welding applications.
Miller products imported by THP are accompanied by an original Certificate of Origin (C/O). The Syncrowave 300 welding power source comes with a 3-year warranty covering parts and labor.
The Miller Syncrowave 300 TIG Welding Machine (951829) features a 5–300 A welding current range, supports TIG, Stick and pulsed DC TIG processes, and operates with single-phase or three-phase power at 208/240/480 V. Auto-Line, Pro-Set, AC Balance, DIG and Hot Start features support welding setup and process control. THP Industry Company Limited supplies Miller products in Vietnam and provides an original C/O for Miller products imported by the company.
Customers looking for the Syncrowave 300 can contact THP Industry Company Limited to discuss the product and supply availability.