ESAB Transarc DC 400E/630/800 is capable of manual metal arc electrode welding, TIG welding, and arc air gouging. It has a maximum load of 800A/44V at a 35% duty cycle and an open circuit voltage of 80-87V. The device is IP23 rated for indoor and outdoor use. Its features include a remote control functionality, compatibility with high-frequency arc ignition for TIG welding, and a range of welding current from 8A to 800A. The device offers precise welding control, improved arc stability, and energy savings.