What is the ampere rating difference between the air-cooled and water-cooled models?
The air-cooled Spoolmatic 30A is rated at 200 amperes, while the water-cooled Spoolmatic 30W is rated at 400 amperes. Both models require 30 volts DC input power. (Page 9)
From the official Miller Spoolmatic 30a manual, page 9
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