907366014 - Miller XMT 350 MPa Multiprocess Welder, 208-575V, Tweco Connectors

Miller XMT 350 MPa Multiprocess Welder Overview

The Miller XMT 350 MPa (907366014) is a high-performance multiprocess welding power source designed for industrial applications requiring precision, versatility, and reliability. Engineered with Miller's advanced inverter technology, this unit supports MIG (GMAW), Pulsed MIG, Stick (SMAW), TIG (GTAW), Flux-Cored (FCAW), and Air Carbon Arc Gouging. The "MPa" designation highlights its specialized capabilities in MIG Pulse Advanced welding, offering built-in pulse programs that significantly improve weld quality on standard steels, high-strength steels, and aluminum.

Advanced Pulse and Arc Control

One of the standout features of the XMT 350 MPa is the inclusion of SharpArc® technology. This feature allows operators to fine-tune the arc cone shape, puddle fluidity, and bead profile in Pulsed MIG mode, providing exceptional control over the welding process. The built-in pulse programs are designed to reduce the heat-affected zone (HAZ), facilitate welding in all positions, and improve gap-filling abilities. This makes the machine particularly effective for welding thick-to-thin metals and achieving faster travel speeds with higher deposition rates. When paired with a 70 Series MPa wire feeder, the system offers synergic pulsed MIG capabilities, where pulse parameters automatically adjust as wire feed speed changes.

Power Management and Reliability

The unit features Auto-Line™ Power Management Technology, which allows for connection to any input voltage ranging from 208 to 575 VAC, single- or three-phase, without manual linking. This ensures consistent performance even when input power is unreliable or "dirty," a common scenario on construction sites and in large fabrication facilities. To ensure longevity, the XMT 350 MPa utilizes Wind Tunnel Technology™, which directs airflow over internal components that require cooling while protecting sensitive electronics from dirt, dust, and debris. The Fan-On-Demand™ cooling system further enhances efficiency by operating only when necessary, reducing noise and energy consumption.

Industrial Connectivity

This model comes equipped with Tweco-style weld cable connectors for secure, high-quality connections. The standard 14-pin receptacle provides flexibility for use with a wide range of spool guns, wire feeders, and remote controls, making it a versatile hub for any welding station. With a net weight of just 80 lbs and a compact footprint, the XMT 350 MPa combines portability with heavy-duty industrial power.