Miller Multimatic 200 - Stick Duty Cycle and Overheating

. A complete Parts List is available at www.MillerWelds.com
OM-253392 Page 15
4-9. Duty Cycle And Overheating For Stick
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.
3 Minutes Welding 7 Minutes Resting
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
duty1 4/95 − Ref. Duty Cycle Charts
35% Duty Cycle At 100A
Continuous
Welding
120V Input
100% Duty Cycle At 70A
230V Input
30% Duty Cycle At 150A
Continuous
Welding
100% Duty Cycle At 100A
3-1/2 Minutes Welding 6-1/2 Minutes Resting
10 100
% Duty Cycle
30
50
0
20
40
60
80
100
120
140
160
180
200
Output Amperes
230V
120V 15A
120V 20A