MMA Welding — Industrial
Output Current Range
20–210A
Rated Input Voltage
220/380V
Electrode Ø
2.5–4.0mm
MMA / ARC Welding
SMARTECH MMA-428A
Model: MMA-428A | DC Inverter MMA Welder
The MMA-428A is a higher-current industrial MMA inverter for continuous heavy-duty welding at 2.5–4.0mm rod diameters, with 2-phase 220V/380V network support.
Applications
Key Features
- ✓IGBT Single-Tube Inverter Technology
- ✓Hot Start & Arc-Force Control
- ✓VRD Electric-Shock Prevention
- ✓Stable Arc, Minimal Spatter
- ✓Overheat / Overcurrent / Overvoltage / Undervoltage Protection
- ✓Forced-Air Cooling
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Input Voltage | 220V / 380V |
| Input Power Capacity | 6.5KVA |
| No-Load Voltage | 70–80V |
| Output Voltage Range | 20–28.4V |
| Output Current Range | 20–210A |
| Duty Cycle | 60% |
Warranty
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