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

4-9. Duty Cycle And Overheating For Stick

200
180
230V
160
140
120
120V 20A
100
80
60
120V 15A
40
20
0
10
35% Duty Cycle At 100A
3-1/2 Minutes Welding
30% Duty Cycle At 150A
3 Minutes Welding
Overheating
.
A complete Parts List is available at www.MillerWelds.com
30
% Duty Cycle
120V Input
6-1/2 Minutes Resting
230V Input
7 Minutes Resting
0
15
Minutes
50
100
100% Duty Cycle At 70A
100% Duty Cycle At 100A
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 15