The MMA-400 is a versatile and powerful welding machine designed for efficient arc welding. With a power output of 300/350/400 amps and a voltage of 220V at 50Hz, it accommodates electrode diameters ranging from 1.6mm to 5.0mm. Weighing only 8.0kg, it is lightweight and portable, making it ideal for both professional and DIY applications. Each case packs two units, with a gross weight of 17.0kg and net weight of 16.0kg. The box dimensions are 410mm x 210mm x 305mm, ensuring easy storage and transport.