Duty Cycle And Overheating For Mig (Gmaw) - Miller Multimatic 220 Owner's Manual

1-4. Duty Cycle And Overheating For MIG (GMAW)

4-9. Duty Cycle And Overheating For MIG (GMAW)
240
220
200
180
160
120VAC 20A
140
120
100
80
60
120VAC 15A
40
20
0
10
120V Input: 60% Duty Cycle At 105A
240V Input: 20% Duty Cycle At 200A
240V Input: 40% Duty Cycle At 170A
Overheating
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A complete Parts List is available at www.MillerWelds.com
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Complete Parts List is available at www.MillerWelds.com
240VAC
20 50
% Duty Cycle
0
Minutes
Duty Cycle is percentage of 10 minutes that
unit
overheating.
If unit overheats, output stops. Wait fifteen
minutes for unit to cool. Reduce amperage or
duty cycle before starting to weld again.
NOTICE – Exceeding duty cycle can damage
unit and void warranty.
100
15
OR
Reduce Duty Cycle
can weld at rated load
A or V
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without