EDON MMA‐300S Specifications
Model: MMA‐300S (also referred as “300 A” inverter welder)
Power Source: Single-phase AC input, 220 V ±15 %, 50/60 Hz
Rated Input Power: ~7.8 kVA / 9 kVA
Output Current Range: 20–180 A (some models up to 300 A)
No‐Load Voltage: ~75 V
Output Voltage: ~27 V @ 180 A
Duty Cycle: 60 % at 40 °C
Electrode Capacity: Handles 1.6 – 5.0 mm electrodes
Efficiency: ~80–85 %
Power Factor: ~0.73
Technology: MOSFET inverter with hot-start and ARC-force adjustment; stable operation in variable voltage and high temperature
Cooling: Fan-cooled design
Dimensions: ~400 × 160 × 310 mm (some sources list 430 × 175 × 325 mm)
Weight: ~6.7–8.5 kg
Duty Cycle: 60 % @ 40 °C
Display: Some variants include a digital display