MIG Welder GYS Cosmos 500G Synergic Multi-Process MIG/MAG MMA TIG Three Phase 500A
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- Multi-process welding: MIG/MAG, MMA, TIG and air-arc gouging
- Digital control with 70 synergies and 5 welding modes including Pulse, ModulArc and Root
- Stores up to 200 welding programs with USB connectivity and EN 3834 traceability

The Cosmos 500 G is a three-phase multi-process welding power source designed for MIG/MAG welding with digital control and exceptional arc dynamics. It offers high duty cycle performance and is compatible with wire feeders for customised configurations.
Features
- Multi-process capability: MIG/MAG, MMA DC/Pulse, TIG DC Lift/Pulse, and air-arc gouging
- Over 70 synergies for steel, AlMg, AlSi and CrNi materials
- 5 welding modes: Standard, Pulse, ModulArc, Root and Manual
- Digital arc control with instant ignition and no cratering
- Pulsed arc achieves up to 30 per cent higher welding speeds
- Stores up to 200 welding programs via USB stick
- Complete machine and synergy updates via USB stick
- Traceability of all weld beads as per EN 3834
- IP23-rated with on-demand ventilation system
- Two display modes: Easy and Expert
- Compatible with WF 36 or WF 51 wire feeders
- Generator compatible (30 kW)
- Interconnection cables up to 20 m long
| Specification | Value |
|---|---|
| Supply voltage | 400 V three-phase 50/60 Hz |
| MIG/MAG welding current range | 15 to 500 A |
| MMA welding current range | 20 to 500 A |
| TIG welding current range | 20 to 500 A |
| Steel and stainless steel wire diameter | 0.6 to 1.6 mm |
| Aluminium wire diameter | 0.8 to 1.6 mm |
| CuSi and CuAl wire diameter | 0.8 to 1.6 mm |
| Flux-cored wire diameter | 0.9 to 2.4 mm |
| MMA electrode diameter | 6 mm maximum |
| Air-arc gouging electrode diameter | 8 mm maximum |
| No-load voltage | 86 V |
| Dimensions | 75 x 30 x 49 cm |
| Weight | 37 kg (approximately) |
| IP rating | IP23 |
| Generator compatibility | 30 kW |
| Duty Cycle | 100% at 400A |
| Cooling | Air Cooled |
| MIG Duty Cycle | 100% at 400A |
| Brand | GYS |
| Welding Process | Gouging, MIG/MAG, MMA, TIG |
| Applications | Sheet Metal Fabrication (<100A), Light Fabrication (100-160A), General Fabrication (160-210A), Heavy Fabrication (210-300A), Industrial Workshop (300-400A), Continuous & Production Duty (400A+) |
| Amperage (Min) | 15 |
| Amperage (Max) | 500 |
| Power Source | Industrial 3-Phase (400V) |
| Duty Rating | Heavy Duty (60-100%) |
| Portability | Compact / Carry Handle |
| Enclosure Rating | IP23 / IP23S or higher |
| Synergic Control | Yes |
| Power Source Type | Inverter |
| Flux Compatible | Yes |
| Pulse Welding | Pulse |
| Wire Feed Type | Separate Wire Feed |
| Cooling | Air Cooled |
| Max Wire Thickness | 1.6mm Wire |
Technical Data Sheet
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.
MIG Welder GYS Cosmos 500G Synergic Multi-Process MIG/MAG MMA TIG Three Phase 500A Get in touch
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