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AC Auto Balance
®
Controls —
Automatically sets the optimal cleaning vs. penetration
level for aluminum welding!
What Is It?
When aluminum welding, the positive (+) portion of the AC welding
amperage cleans the oxides from the aluminum surface. The neg-
ative (-) portion delivers more heat input, increasing penetration
level.
Patented AC Auto Balance
®
automatically sets the ratio of
cleaning action (+) versus penetration (-) based on amperage.
Manual balance control provides the flexibility to customize
the arc to your preference.
Easy Operation:
• Set it and forget it or override when you choose to customize
the settings.
Precision TIG
®
275
www.lincolnelectric.com
[3]
A CLOSER LOOK
More Cleaning (+)
Less Cleaning (+)
Less Penetration(-)
More Penetration (-)
WELDING
AMPERAGE
WELDING
AMPERAGE
TIME
TIME
Maximum Cleaning Setting
Maximum Penetration
Setting
Auto Balance Setting
AC Auto Balance
®
is especially useful on
critical aluminum applications.
PERFORMANCE
• Excellent stick welding performance.
— Weld steel, stainless and low allow metals with ease.
— Weld sheet metal, pipe and heavy plate.
— Weld with Lincoln
®
Blue Max
®
Stainless, Excalibur
®
Low
Hydrogen and Fleetweld
®
5P welding electrodes.
• Wider output range — for maximum flexibility:
— 2-340A DC, 2-340 AC.
• More amperage than nearest competitor at 40% duty cycle — 25
amps more!
• Lower input current draw compared to nearest competitor — up to
10% less current with 40% more duty cycle.