Jasic TIG 400P DC Pulse TIG & MMA Welder - 400A (400V Three Phase, Water-Cooled)
- DC Pulse TIG and MMA inverter welder, 400V three phase, water-cooled
- Welding current: TIG 5–400A, MMA 30–400A at 50% duty cycle
- Includes water cooler, TIG torch, gas regulator, earth return lead and operating instructions
- Digital pulse control with 8-channel job memory, HF and Lift TIG ignition
- Dimensions 760 × 360 × 585mm, weighs 90kg

The Jasic TIG 400P DC Pulse Water-Cooled Inverter is a 400V three-phase TIG/MMA welder delivering up to 400A at 50% duty cycle with digital pulse control and 8-channel job memory.
Supplied complete with power source, water cooler, TIG torch & adaptor, gas regulator, earth return lead and operating instructions.
The Jasic TIG 400P DC Pulse Inverter is a state-of-the-art welding system engineered with industrial-grade IGBT components and an MCU chip for high accuracy and reliability.
Providing both HF and Lift TIG ignition, it supports DC pulse TIG and MMA welding with VRD safety.
Advanced digital control includes slope settings, crater fill, pre/post gas flow, and full adjustment of initial and weld currents.
The inverter features a clear digital panel with software upgrade capability and an automatic 8-channel parameter storage system.
For operator comfort and weld consistency, the package is supplied water-cooled with on-demand fan and cooler control for extended duty.
Generator-friendly (AVR required), it ensures performance and flexibility in workshop or site environments.
With job memory, gas test function, Smart cooling, and optional foot pedal interface, the TIG 400P is an industrial-grade solution for steels, stainless, copper alloys and titanium.
| Welding Current Range | TIG: 5–400A | MMA: 30–400A |
| Duty Cycle (40°C, 10 min) | 400A @ 50% |
| Pulse/Processes | DC Pulse TIG | MMA | VRD Function |
| No Load Voltage | 68V |
| Input Voltage | AC 400V, 50/60Hz (Three Phase) |
| Input Power | 18 kVA |
| Effective Input Current (Ieff) | 14A |
| Efficiency | 85% |
| Power Factor | 0.96 |
| Cooling | On-demand Fan & Water Cooling |
| Dimensions (mm) | 760 × 360 × 585 |
| Weight | 90 kg |
| Protection / Insulation | IP21S / Class F |
| Digital Pulse Control | 8-Channel Job Memory | HF/Lift TIG Ignition | MCU Accuracy | Pre/Post Flow & Slope Control | Gas Test Function | Remote/Foot Pedal Interface | Software Upgradeable |
| Power Source | Water Cooler | TIG Torch & Adaptor | Gas Regulator | Earth Return Lead & Clamp | Operating Instructions |
| 5 Years (subject to registration) |
| Input Voltage | 400V |
| Amperage | 400A |
| Max Duty Cycle | 50% Duty Cycle |
| Cooling | Air Cooled, Water Cooled |
| Pulse/Non-Pulse | Pulse |
| Brand | Jasic |
Datasheet
Download PDF
Jasic TIG 400P DC Pulse TIG & MMA Welder - 400A (400V Three Phase, Water-Cooled) Get in touch
Have a question about this product? Our team of welding experts are here to help.
Visit Us
12 Mary Seacole Road
The Millfields
Plymouth, Devon
PL1 3JY














Reviews
There are no reviews yet