Thermal Arc, a Thermadyne brand, is launching the first in a series of "3-in-1" multi-process, fully integrated portable welding systems designed to take on many MIG, Stick and TIG applications. The Thermal Arc 181i delivers up to 180 amps of welding output power. Weighing less than 33 pounds, the compact system features digital meters with preview, infinitely variable voltage control, metal feed plate with quick-change drive rolls and a receptacle for connecting remote control devices/spool gun.