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Jasic EVO TIG 320P AC/DC Pulse TIG & MMA Welder - 320A (400V Three Phase)

ET-320PACDC Jasic In Stock Fast Dispatch
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  • AC/DC pulse TIG and MMA inverter welder, 320A maximum output
  • 400V three-phase input; TIG current range 10–320A DC or 20–320A AC; MMA 10–270A
  • TIG duty cycle 30% @ 320A; MMA duty cycle 30% @ 270A at 40°C
  • Weighs 23.8kg; requires 15kVA AVR generator minimum
  • Supplied with air-cooled TIG torch, regulator, 2m gas hose and work return lead
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The Jasic EVO TIG 320P AC/DC is a three-phase 400V AC/DC pulse TIG/MMA welder delivering up to 320A with advanced digital control, hybrid-wave AC welding and program memory.

Supplied with air-cooled TIG torch, work return lead, 2m gas hose and regulator.

The Jasic EVO TIG 320P AC/DC (ET-320PACDC) is a professional-grade three-phase TIG/MMA inverter designed for heavy-duty workshop and field welding.

With AC/DC capability and a current range of 10–320A, it supports steels, stainless steels, aluminium alloys, copper alloys and titanium.

Digital pulse control, multi/hybrid-wave AC welding technology, and auto tungsten tip shaping ensure consistent, high-quality welds across all materials.

Operators benefit from HF and Lift TIG start, 2T/4T/cycle and spot trigger modes, program memory storage, assisted spot welding, and ClearVision digital display with rotary encoder control.

Additional features include Dash-Arc ignition for 99% arc start success, Smart Gas post-flow optimisation, VRD safety, Hot Start/Anti-Stick/Arc Force in MMA, and intelligent fan/cooler control.

Weighing 23.8kg, it is generator-friendly (15kVA AVR) and highly portable for its class.

Supplied with torch, regulator, hose and return lead, with options for LC-40 water cooler, TR-03 trolley, remote controls and wireless app module.


Input Voltage AC 400V, 50/60Hz (Three Phase)
No Load Voltage 71V
Power Factor 0.94
Efficiency ≥80%
Idle State Power ≤10W
TIG Current Range DC: 10–320A | AC: 20–320A
TIG Rated Input Power 10.1 kVA
TIG Effective Current (Ieff) 8.2A
TIG Duty Cycle (40°C, 10 min) 30% @ 320A
MMA Current Range 10–270A
MMA Rated Input Power 11.5 kVA
MMA Effective Current (Ieff) 8.7A
MMA Duty Cycle (40°C, 10 min) 30% @ 270A
Dimensions (mm) 568 × 230 × 416
Weight 23.8 kg
Recommended Generator Size 15 kVA (AVR required)
Protection / Insulation IP23S / Class H
Air-Cooled TIG Torch Included
Work Return Lead Included
Gas Hose 2m with fittings
Regulator Included
Water Cooler LC-40
Trolley TR-03
Remote Controls Wired/Wireless options
Foot Pedals Wired/Wireless options
Connectivity Bluetooth App Module
Enclosure Rating IP23 / IP23S or higher
Pulse Welding Pulse
Power Source Industrial 3-Phase (400V)
Applications Industrial Workshop (300-400A)
Duty Rating Medium Duty (30-60%)
Portability Compact / Carry Handle
Ignition Type HF, Lift
TIG Duty Cycle 30% at 320A
Brand Jasic
Input Voltage 400V
Amperage 320A
Cooling Air Cooled
Welding Process TIG

Jasic ET-320PACDC - Technical Datsheet

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A carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.

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Jasic EVO TIG 320P AC/DC Pulse TIG & MMA Welder - 320A (400V Three Phase) Jasic EVO TIG 320P AC/DC Pulse TIG & MMA Welder - 320A (400V Three Phase)
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