Premium Arc Performance. Rugged and Reliable. Portable and Efficient.

The Invertec® V311-T AC/DC is both technologically advanced and ruggedly constructed and tested for use in almost any production or fabrication environment, including tough shipbuilding applications.

• Premium TIG Performance
• Adjustable AC Frequency – Focus the arc cone for precise control.
• Expanded AC Balance – Minimizes tungsten erosion and etching surrounding the weld.
• Selectable Half Wave Shapes – Independently select the positive and negative portions of the AC wave shapes from Sine, Square, or Triangular wave types to deliver the arc characteristics you require.
• Complete Control - Dial in your weld.
  • 16 user-adjustable welding parameters.
  • Set-up menu provides access to less frequently used parameters.
  • 10 user memories to recall ideal settings for repeating welds.
• Intuitive LCD Control Panel - Shows you exactly what’s happening with your weld as you change settings. High contrast display is viewable even in sunlight.
• Add a Cool Arc® 35 Smart Water Cooler - Automatically monitors pressure and temperature and adjusts the pump speed to cool the torch.
• Focused Stick Performance
  • Crisp Mode for AWS E6010 electrodes
  • Soft Mode for AWS E7018 electrodes
  • AC Stick Mode for AC operation
• Efficient Electrical Conversion – The inverter platform consumes nearly 20% less power, compared to conventional TIG welders, to lower your energy costs.
• Auto-Reconnect - Power up on almost any industrial input voltage, including 208/230/380/400/460V single or three phase, 50 or 60 hertz.
• Lightweight and Portable – At 75 lbs, with a compact footprint, this multiple input voltage welder is ideal for TIG welding in shipbuilding.
• Extreme Life Testing – Extended environmental and life testing delivers long service life.