greatest weight biggest dimension, power and output current mainly applied for gouging and eliminating weld defects MZ-1250 IGBT inverter submerged arc welder has the greatest weight, biggest dimension, power and output current in this series. The dimension, net weight and output current are 3.1 times, 1.9 times and 1.98 times of model MZ-630 and lifting equipment or casters on the bottom should ...