The compact analogy MIG welding machine uses strong IGBT and diodes . this series offers a wide range of current for selection , range from 140A-200A for various metal working purpose. It can be selected to weld MIG , MAG , FLUX wire welding and MMA .The light weight machine is widely used for light industries, and perfect for DIY as well. https://www.poneywelding.com/product/gmaw-mig-mag-welding-machine/220v-140a200a-5-kg-wire-gas-no-gas-mig-welding-machine.html