These heavy-duty, fan-cooled machines feature a three-PCB design and IGBT inverter technology for MMA welding
The machine automatically optimizes start and stop parameters according to the selected welding current
A specialized booster circuit supplies extra voltage for superior cellulosic arc starts and overall performance
Offering a wide current range, these DC Arc machines deliver powerful performance for diverse applications
The unit effectively supports various electrodes, including general purpose, stainless steel, cellulosic, and low-hydrogen types
The integrated Hot Start function significantly improves arc striking, even when using the most challenging electrodes
With adjustable Arc Force control, operators can easily select and optimize the best arc dynamic characteristics.
| Parameter | UNMMA-330YIT | UNMMA-350YIT |
| Mains Voltage (V) | 220 | 220 |
| Frequency (HZ) | 50/60 | 50/60 |
| No-load Voltage (V) | 65 | 65 |
| Rated Input Capacity (KVA) | 14.0 | 15.0 |
| Insulation Class | F | F |
| Output Current (A) | 20-330 | 20-350 |
| Rated Duty Cycle (%) | 60 | 60 |
| Dimensions (CM) | 40*16*27 | 40*16*27 |
| Weight (KG) | 8.0 | 8.5 |
Optimizes arc ignition performance for hard‑to‑strike welding electrodes.
Adjustable to select optimal dynamic characteristics of welding arc.
Automatically lowers current for quick release when electrode sticks to workpiece.
Intelligent thermal protection prevents machine damage caused by overheating.
Efficient cooling system accelerates heat dissipation and extends service life.
Safeguards internal components against unstable input voltage surges.
High conversion rate, less power loss and improves welding working performance.
Low idle power consumption, improves energy efficiency during long working hours.
individual packing，6pcs/ctn
individual packing，6pcs/ctn
