Tig ac/dc mma plasma cutter welder welding machine 3 in 1 magnum thf 240 200 amp it let's you to release the button while welding putting all the effort into creating a proper welding bead. Duty cycle 100% (126A) / 60% (163A) / 40% (200A). What is more, simple and intuitive control panel makes setting the machine easy and comfortable even for less advanced operators.