... . 100% duty cycle 2. automatic welding machine 3. multi-function, such as: MMA,SAW Submerged arc welding machine(MZ-1000)Rated input voltage ... ,5mmFeed wire speed:20-250cm/minWelding speed: 15-150cm/minWelding machine weight: 67KGSize: 95*65*81cmPower weight: 400KGPower function: submerged arc ... be available:MZ-630,MZ-1250,MZ-1000N,MZ-1250N automatic submerged arc welding machine (MZ-1000)