MMA Inverter Welder GYS GYSMI 120A Single Phase IGBT with Case
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- Single phase MMA inverter welding machine with IGBT technology for mild steel, cast iron and stainless steel up to 8 mm thick
- Lightweight and ultra portable at 2.7 kg with compact design, supplied in carrying case with shoulder strap
- Welds coated electrodes up to 3.2 mm diameter with Hot Start, Arc Force and Antisticking features for easy ignition and stable welding

The GYSMI 120A is a single phase inverter welding machine for MMA (SMAW) welding, manufactured with the latest IGBT inverter technology. It delivers professional quality welds on mild steel, cast iron, and stainless steel up to 8 mm thick, and is supplied complete with carrying case.
Features
- IGBT inverter technology with excellent ignition characteristics and arc stability
- Welds rutile, stainless, cast iron and basic coated electrodes up to 3.2 mm diameter
- Hot Start function for easy ignition
- Arc Force feature provides temporary current surge during difficult welding situations
- Antisticking function reduces electrode sticking when in contact with workpiece
- Constant current output for smooth, consistent fusion
- Overcurrent protection
- Lightweight at 2.7 kg with compact design for easy storage and portability
- Single potentiometer control for welding current adjustment
- Compatible with generators and 50/60 Hz power supplies
- Supplied with 1.6 m welding cables (10 mm²)
| Specification | Value |
|---|---|
| Welding current range | 10 to 120 A |
| Input voltage | 230 V, 1 phase |
| Duty cycle (60%) | 70 A |
| Weight | 2.7 kg |
| Dimensions | 23 x 15 x 10 cm |
| Protection rating | IP 21 |
| Cable length | 1.6 m |
| Cable cross-section | 10 mm² |
| Recommended generator power | 4.5 kW / 5.0 kVA |
| Standards compliance | EN 60974-1 |
| Brand | GYS |
| Pulse Welding | Non-Pulse |
| Cooling | Air Cooled |
| Power Source | Workshop 230V/240V (Single-Phase) |
| Applications | Light Fabrication (100-160A) |
| Duty Rating | Light Duty (<30%) |
| Portability | Ultra-Portable |
| Enclosure Rating | IP21 / IP21S |
| MMA Duty Cycle | 20% at 120A |
| Welding Process | MMA |
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.
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