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The GYS NEOMIG-i 500 G is a powerful three-phase, multi-process inverter welding power source designed for high-demand industrial applications. Delivering up to 500A at 60% duty cycle, this machine ensures precise, consistent performance for MIG/MAG, MMA, TIG Lift/Pulse, and air-arc gouging. Its advanced digital control system and built-in synergy programs automatically optimise parameters based on wire type, gas, and material thickness, ensuring exceptional welding quality with reduced spatter. Compatible with the WF 35 and WF 50 wire feeders and the optional KOOLWELD 2 liquid cooling unit, the NEOMIG-i 500 G offers complete flexibility for professional workshops and fabrication environments. Designed and manufactured in France, this machine sets the benchmark for reliability, connectivity, and premium welding performance.
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The NEOMIG-i 500 G is built for industrial fabricators, heavy manufacturing plants, and automotive bodyshops requiring continuous high-current welding with traceability and control.
| Specification | Details |
|---|---|
| Reference | 075092 |
| Input Voltage | 400V – 3 Phase (50/60Hz) |
| Current Range | 15A – 500A |
| Duty Cycle (40°C) | 500A @ 60% | 400A @ 100% |
| Processes | MIG/MAG, MMA DC/Pulse, TIG DC Lift/Pulse, Air Arc Gouging |
| Wire Diameter | Steel/Stainless: 0.6–1.6mm | Aluminium: 0.8–1.6mm | CuSi/CuAl: 0.8–1.6mm | Flux-Cored: 0.9–2.4mm |
| Protection Class | IP23 |
| Dimensions (cm) | 75 × 30 × 49 |
| Weight | 37 kg |
| Compliance | EN 60974-1 | Made in France |
It handles steel, stainless steel, aluminium, CuSi, CuAl, and flux-cored wires, making it suitable for a wide range of industrial and automotive welding tasks.
Yes, it supports MIG/MAG, MMA DC/Pulse, TIG DC Lift/Pulse, and Air-Arc Gouging, making it one of the most versatile power sources in its class.
Absolutely. The unit includes a USB port for updating software and synergy databases, and users can personalise interface settings via the free online GYS configuration tool.
It’s compatible with WF 35 and WF 50 wire feeders, the KOOLWELD 2 cooling unit, and optional Push-Pull torches for aluminium applications.



As an authorised GYS Service Centre, BWS Ltd offers full installation, calibration, and technical support for the NEOMIG-i range. Our nationwide team of welding engineers ensures your equipment performs at its best, backed by over 30 years of industry expertise. Buy with confidence knowing your machine will be supported by the UK’s leading GYS-approved service and sales provider.