Miller Dynasty 400 TIG Welder, 3-400A Output, 208-600V Input, 907950

The Miller Dynasty 400 is a TIG welder power source with a 3-400 A range and a rated output of 300 A at 32 V and 60% duty cycle on 3-phase power. It welds steel or aluminum up to 5/8 in. thick, runs on 208-600 V and weighs 126 lbs, with a 7 in. LCD, nine program memories and a USB port for updates.

TIG (GTAW) arcs start by Lift-Arc or the Blue Lightning high-frequency starter, and AC pulse reaches 500 pulses per second, with Quiet Pulse technology on board. Auto-Line technology, a cooler power supply (CPS), fan-on-demand and Auto-Postflow round out the feature set, while stick (SMAW) work gets DIG and Hot Start. The power source comes with two 50 mm Dinse-style connectors and an 8 ft power cord with no plug attached, and the generator requirement is 20 kW.

Highlights

• Rated 300 A at 32 V, 60% duty cycle on 3-phase; range 3-400 A

• Welds steel or aluminum up to 5/8 in. thick

• Input 208-600 V; generator requirement 20 kW

• 7 in. LCD, 9 program memories, USB port, Auto-Postflow

• Lift-Arc and Blue Lightning starts; 500 pulses per second on AC

• 126 lbs; 8 ft power cord with no plug attached

Specifications

What's in the box

• Dynasty 400 power source

• Two 50 mm Dinse-style connectors

Good to know

• Check the input power (voltage, phase and amperage) against your supply before you order.