907747001 - Miller Deltaweld 350 MIG Power Source, 208-460V, 14-Pin & ArcConnect

Industrial-Grade Power and Flexibility

The Miller Deltaweld® 350 (907747001) represents the next evolution in industrial MIG welding power sources, engineered to serve as a direct and superior replacement for the legacy Deltaweld 352. Designed for heavy manufacturing, structural steel fabrication, and transportation industries, this machine delivers a robust 350 amps at 60% duty cycle, ensuring consistent performance during extended welding operations. The unit operates on a versatile 208-230/460V 3-phase input, making it adaptable to most industrial facility power grids.

One of the defining characteristics of this model is its dual-connectivity interface. It features a standard 14-pin receptacle, ensuring full backward compatibility with existing Miller wire feeders that your facility may already own. Simultaneously, it is equipped with the next-generation ArcConnect™ receptacle. This high-speed communication port allows for seamless integration with modern Intellx™ feeders, enabling advanced features and point-of-use controls located directly at the feeder. This hybrid approach allows fleet managers to upgrade power sources without the immediate capital expenditure of replacing all wire feeders.

Reliability in harsh environments is paramount for the Deltaweld series. Miller’s proprietary Wind Tunnel Technology™ prevents airborne contaminants—such as grinding dust and dirt—from contacting sensitive electrical components and PC boards. This internal airflow management significantly extends the lifespan of the machine. Complementing this is the Fan-On-Demand™ cooling system, which operates the cooling fan only when necessary. This not only reduces the amount of debris pulled into the unit but also lowers noise levels and energy consumption, contributing to a better working environment.

For facilities looking to implement Pulsed MIG welding, the Deltaweld 350 is ready. When paired with an Intellx™ Pro feeder, the system unlocks advanced pulse capabilities, providing a 28% wider operating window and a more forgiving arc. This compensates for variations in operator technique, ensuring high-quality welds even with less experienced staff. The Deltaweld 350 is a future-proof investment that respects your existing equipment ecosystem.