Spectrum 625 portable air-plasma-arc cutters' electronic pilotarccontrollers boost pilot current only when needed for strong arc transfers, extending tip lives, and lowering consumable costs. They work well with engine drives with a least 8 kW of power because their power-factor-correction (PFC) circuitry reportedly uses incoming power with higher efficiency than competitive units. As a result, they use about 30% less.
Miller Electric Mfg. Co.
Appleton, Wis.
millerwelds.com
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Oct. 10, 2007
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Oct. 10, 2007