Duty Cycle And Overheating For Mig - Miller Multimatic 200 Owner's Manual

4-7. Duty Cycle And Overheating For MIG

200
180
160
140
120
120VAC
100
80
60
40
20
0
10
20% Duty Cycle At 110A
2 Minutes Welding
20% Duty Cycle At 150A
2 Minutes Welding
Overheating
.
A complete Parts List is available at www.MillerWelds.com
230VAC
20
% Duty Cycle
120V Input
8 Minutes Resting
230V Input
8 Minutes Resting
0
Minutes
50 100
100% Duty Cycle At 75A
100% Duty Cycle At 120A
15
OR
Reduce Duty Cycle
Duty Cycle is percentage of 10
minutes that unit can weld at rated
load without 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.
Continuous
Welding
Continuous
Welding
A or V
duty1 4/95 − Ref. Duty Cycle Charts
OM-253392 Page 13