Harris Single Stage Aluminum Body Regulator Model HP721AL 050 001 721AL050001 Traditional FR Cloth Jackets 32 Welding process output Gas Cups 32 Welding process output mode Rating basis Amperes Volts Duty cycle As printed by Lincoln AC Constant Current NOT LABELLED (CC Rated Output column) 125A AC 20V 30% 125A AC 20V 30% AC Constant Current NOT LABELLED (CC Rated Output column) 100A AC 25V 60% 100A AC 25V 60% Output range — as printed by Lincoln Mode parameter Range Current Range 70 140 A Output Range (Product Specifications) 70 140A AC Open circuit voltage Max portable across the arc models sulfer dioxide and hydrogen sulfide • One piece encapsulated seat design includes a 10 micron sintered filter to protect from contamination