Duty Cycle And Overheating For Mig (Gmaw) - Hobart Multi-Handler 200 Owner's Manual

4-9. Duty Cycle And Overheating For MIG (GMAW)

240
220
200
180
160
120V 20A
140
120
100
120V 15A
80
60
40
20
0
10
20% Duty Cycle At 185A
2 Minutes Welding
Overheating
.
A complete Parts List is available at www.HobartWelders.com
240V
20
% Duty Cycle
120V Input
60% Duty Cycle At 80A
6 Minutes Welding
240V Input
8 Minutes Resting
0
15
Minutes
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.
50
100
4 Minutes Resting
40% Duty Cycle At 145A
4 Minutes Welding
A or V
OR
Reduce Duty Cycle
6 Minutes Resting
duty1 4/95 − Ref. Duty Cycle Charts
OM-285922 Page 13