Generators have four preset DIG settings

November 9, 2004

Miller Electric Mfg. Co. has introduced the Trailblazer® 302 CC/CV, AC/DC and Trailblazer 275 DC CC/CV engine-driven welding generators that feature four preset DIG settings— soft arc and smooth 7018 performance, medium-soft driving arc, medium-stiff driving arc, and driving arc for applications such as pipe welding— Adaptive HotStart™, Lift-Arc™/Scratch Start GTAW with Auto-Stop™, and enhanced GMAW/FCAW arc starts. They also have fully enclosed cases and XENOY® protective armor on the front panels.

The four-pole, three-phase generator is kept separate from a second Accu-Rated™ 10,000-W power generator that delivers 10,000 W of useable peak power for a minimum of 30 seconds.

The generators' digital meters feature SunVision™ technology. Readable in direct sunlight, these meters display preset amperage or voltage when not welding, as well as actual amperage and voltage during welding and for five seconds after welding ceases. The meters provide a separate oil change interval display, which provides a 100-to-0 hour countdown to indicate when an oil change should be performed.

A 12-gal. fuel tank allows 20 hours of operation on a typical job using 1/8-in. 7018 electrodes at 125 amps with a 20 percent duty cycle.

Model 302 provides 30-to-300 amp DC output and 35-to-225 amp AC output. Model 275 DC offers 30-to-275 amp DC output.

Both models offer Adaptive Hot Start for SMAW, which automatically sets starting amperage, and Lift-Arc/Scratch Start GTAW with Auto-Stop, which helps prevent weld contamination and allows stopping the arc without losing shielding gas coverage. Wires ranging from 0.023-in. solid to large-diameter 5/64-in. flux-cored can be used.

Removable service doors on either side of the fully enclosed units facilitate engine maintenance, even when the generators are truck-mounted. The fully enclosed case reduces noise levels to 75.5 dB at rated load. A redesigned airflow path through the case allows air to escape through only one exit port on the top of the back panel, which minimizes the chance of airflow being blocked when the unit is truck-mounted and decreases the chance of hot air re-entering the unit.

High-impact armor guards the entire front of the machine, the front panel edges, receptacle covers, and output studs, providing both impact resistance at high and low temperatures and chemical resistance.

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