The 555 MMA 400 G utilizes advanced IGBT inverter technology, providing high efficiency, wide input voltage tolerance (380V ±15%), and stable welding performance. It features a digital meter for presetting and displaying welding current, a dust-free cooling system, and an upgraded duty cycle for continuous heavy-duty operation. The machine includes adjustable ARC Force and Hot Start functions, making arc striking easier and more precise, while the VRD (Voltage Reduction Device) function enhances safety for welders.<br>Designed for durability and operator convenience, the 555 MMA 400 G offers auto-protection against over-voltage, over-current, and overheating, with an optional remote control function to enlarge your welding area and simplify operation. This energy-efficient machine outperforms traditional SCR welding machines, reducing power consumption without compromising performance.<br>Technical Specifications:<br>Input: 3-Phase, 50/60 Hz<br>Input Power: 27.7 KVA, 41.5 A<br>Duty Cycle: 315A 100% @ 40°C, 400A 40% @ 40°C<br>Electrode Compatibility: Ø7018 (1.6–5mm), Ø6013 (1.6–6mm)<br>Open Circuit Voltage (OCV): 69V<br>Current Range: 40–400A<br>Optional VRD for enhanced safety