Pulsed MIG Welder GYS Neopulse 400 G Synergic Multi-Process 400A Three-Phase
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- Pulsed MIG/MAG welding power source with 10-400 A output and 60% duty cycle at 400 A
- Multi-process capability including MIG/MAG, MMA and TIG welding with +100 synergic curves
- Digital interface with synergic mode, 500 welding program storage, and energy calculation to EN1011-1 and ISO/TR 18491

The NEOPULSE 400 G is a digital pulsed MIG/MAG welding power source rated to 400 A with a separate wire feeder. Designed for industrial applications, it offers multi-process capability and features over 100 synergic curves with an intuitive digital interface for easy parameter adjustment.
Features
- Multi-process welding: MIG/MAG, MMA DC/Pulse, TIG DC Lift/Pulse, and gouging
- Wire compatibility: steel and stainless steel (0.6-1.6 mm), aluminium (0.8-1.6 mm), CuSi and CuAl (0.8-1.2 mm)
- Six MIG-MAG welding modes: Standard Dynamic, Standard Impact, Standard Root, Pulsed, Modularc, and Manual
- Synergic mode automatically determines optimal welding conditions based on material, gas type, and wire diameter
- Advanced arc control: CreepSpeed, Softstart, Hotstart, Upslope, Downslope, Crater Filler, Postgas
- Storage of 500 welding programs with USB key save/load capability
- Energy calculation and traceability per EN1011-1, ISO/TR 18491, and EN ISO 3834
- Four microprocessors for optimised efficiency and high-speed communication
- Powerful wire feed motor (100 W) with 4 active drive rolls
- Remote control options (digital and analogue) for wire feeder adjustment
- IP23 protection rating with reinforced metal case and lifting rings
- Interconnection cables available up to 20 m (optional)
| Specification | Value |
|---|---|
| Power supply voltage | 3 x 400 V +/- 15% |
| Current range | 10-400 A |
| Duty cycle at 400 A | 60% |
| Duty cycle at 100% | 360 A |
| No load voltage | 85 V |
| MIG-MAG voltage range | 14.5-34 V |
| MMA voltage range | 20.4-36 V |
| TIG voltage range | 10.4-26 V |
| Wire speed range | 1-22 m/min |
| Maximum efficiency | 91% |
| No-load consumption (MIG-MAG) | 37 W |
| No-load consumption (MMA) | 157 W |
| Protection class | IP23 |
| Dimensions | 680 x 300 x 420 mm |
| Weight | 28.5 kg |
| Wire Diameter (Solid Wire) | 0.6-1.6mm |
| Cooling | Air Cooled |
| MIG Duty Cycle | 60% at 400A |
| Brand | GYS |
| Welding Process | 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) |
| Amperage (Min) | 10 |
| Amperage (Max) | 400 |
| 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 |
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.
Pulsed MIG Welder GYS Neopulse 400 G Synergic Multi-Process 400A Three-Phase Get in touch
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