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2-1 Specifications
2-2 Duty Cycle and Overheating
Page 7
SECTION 2 - SPECIFICATIONS
Duty Cycle is percentage of 10 minutes that unit can weld at rated load
without overheating.
Using mixed gases other than CO
depending on gas mixture and welding parameters.
Please reference chart above for duty cycle ratings by amperage
Continuous Welding
0
Minutes
Air-Cooled MIG Guns for GMAW Welding
200 amp gun feeds maximum wire size of 1/16" (1.6 mm)
Duty Cycle Rating:
100%: 200 Amp with
CO
60%: 200 Amp with Mixed Gases
300 amp gun feeds maximum wire size of 5/64" (2.0 mm)
Duty Cycle Rating:
100%: 300 Amp with
CO
60%: 300 Amp with Mixed Gases
400 amp gun feeds maximum wire size of 5/64" (2.0 mm)
Duty Cycle Rating:
100%: 400 Amp with
CO
60%: 400 Amp with Mixed Gases
500 amp gun feeds maximum wire size of 3/32" (2.4 mm)
Duty Cycle Rating:
100%: 500 Amp with
CO
60%: 500 Amp with Mixed Gases
600 amp gun feeds maximum wire size of 1/8" (3.2 mm)
Duty Cycle Rating:
100%: 600 Amp with
CO
60%: 600 Amp with Mixed Gases
reduces duty cycle ratings 10-50%
2
15
OR
Reduce Duty Cycle
Shielding gas
2
Shielding Gas
2
Shielding Gas
2
Shielding Gas
2
Shielding Gas
2
A or V
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