3 phase TIG welder

The MASTERTIG-320CT supports AC TIG, DC TIG, Pulse TIG, MIX TIG and DC MMA processes. Advanced AC waveform control provides adjustable AC frequency, balance and amplitude, allowing welders to precisely control arc concentration, cleaning action, heat input and penetration.

Designed for industrial manufacturing and welding contractors. The MASTERTIG-500CT 500A TIG welder features AC/DC, pulse, and MIX TIG functions—perfectly handling aluminum, magnesium, stainless steel, and carbon steel thick plate welding. Integrated cooling unit ensures long continuous operation.

500A/30V @ 100% Duty Cycle | 3-Phase 400V ±15% | AC/DC Pulse | MIX TIG | 2 AC Waveforms + 3 Controls. The MASTERTIG-500CT ensures stable weld quality from thin sheet to 12mm thick plate V-groove multi-pass welding through precise arc control.

500A industrial AC/DC pulse TIG welder featuring TOPWELL's exclusive MIX TIG technology. Combines the advantages of AC and DC current for deeper penetration and superior arc concentration—built for thick plate welding. 3-phase 400V input, 100% duty cycle, a reliable partner for heavy-duty production.

The MASTERTIG-250AC has full TIG functions including DC TIG, AC TIG and Unique MIX TIG processes.