The Cigweld Professional Transmig 550i is a three phase multi-process welding inverter that is capable of performing GMAW/FCAW (MIG), MMAW (Stick) and GTAW (Lift TIG) welding processes. The unit is equipped with an integrated voltage reduction device (VRD applicable in stick mode only), digital voltage and amperage meters, and a host of other features perfect for welding environments that demand high output and multiple processes. The unit is also fully compliant to Australian Standard AS60974.1 and IEC 60974.1.