TIG Welder GYS Titanium 321 AC/DC Three-Phase 320A MMA without Accessories
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- Three-phase TIG AC/DC power source with 320 A output for welding steel, stainless steel, aluminium, copper and titanium
- Six TIG welding modes including pulse, AC waveform settings and E-TIG energy control for precise arc control
- XXL 7-inch digital colour interface with intuitive control, synergic TIG Wizard mode and full traceability in accordance with EN 3834

The TITANIUM 321 AC/DC is a high-performance three-phase TIG AC/DC power source offering a wide choice of welding processes including TIG AC, DC, and MMA. It can weld various materials such as mild steel, stainless steel, aluminium, copper and titanium, with pulse mode reducing deformation and delivering better arc control for thin material welding.
Features
- Six TIG welding modes: DC Standard, DC Pulse (up to 20 kHz), FastPulse (up to 20 kHz), AC Standard, AC Pulse (up to 2.5 kHz frequency control) and AC Mix
- Four tacking modes: Spot, Multi Spot, Tack and Multi Tack for precise, oxidation-free tacking
- Three types of ignition: Lift, HF and Touch
- Three trigger management modes: 2T, 4T and 4T LOG
- E-TIG mode maintains correct welding power regardless of torch position with energy control
- AC waveform settings for arc control and penetration
- TIG Wizard synergic mode with five joint types: Butt, Lap, Internal corner, External corner and wire splicing
- Synchronised welding for two welders with automatic and reliable synchronisation
- Traceability of all weld beads in accordance with EN 3834
- XXL 7-inch colour digital interface with three user levels: Easy, Expert and Advanced
- Backup of user JOBs (up to 500) and machine configuration via USB stick
- Compatible with lamella, double button, potentiometer and Up and Down torches
- Robot connectivity via optional kit
- MMA, MMA AC and MMA pulse modes for welding electrodes up to 8 mm diameter
- VRD (Voltage Reduction Device) reduces no-load output voltage to below 35 V
- Remote controls connectable without tools
| Specification | Value |
|---|---|
| Supply | 400 V, 3-phase, 50/60 Hz |
| TIG DC output (100% IA at 40°C) | 310 A |
| TIG AC output (100% IA at 40°C) | 310 A |
| MMA output (60% IA at 40°C) | 270 A |
| Open circuit voltage | 83 V |
| AC frequency range | Up to 2.5 kHz |
| Pulse frequency (DC and AC) | DC 0.1 to 20 kHz, AC 0.1 to 2.5 kHz |
| Power consumption | 13 kW |
| Dimensions | 72 x 30 x 56 cm |
| Weight | 30.5 kg |
| Cable length (TIG18B) | 4 m |
| IP rating | IP 23 |
| Standards | EN 60974-1 |
| Brand | GYS |
| Cooling | Air Cooled, Water Cooled |
| Enclosure Rating | IP23 / IP23S or higher |
| Pulse Welding | Pulse |
| Power Source | Industrial 3-Phase (400V) |
| Applications | Industrial Workshop (300-400A) |
| Duty Rating | Heavy Duty (60-100%) |
| Portability | Compact / Carry Handle |
| Ignition Type | HF, Lift |
| TIG Duty Cycle | 60% at 320A |
| Welding Process | MMA, TIG |
| MMA Duty Cycle | 60% at 270A |
GYS-069879 Datasheet
Download PDFGYS-069879 Manual
Download PDFGYS-069879 Certificate of Conformity
Download PDFA 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.
TIG Welder GYS Titanium 321 AC/DC Three-Phase 320A MMA without Accessories Get in touch
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