OM-4430 Page 12
Duty cycle is the percentage of 10
minutes that unit can weld at rated
load without overheating.
Exceeding duty cycle can
damage unit and void
warranty.
100% Duty Cycle at 280 Amperes DC/CC
Continuous Welding
4-6. Duty Cycle
Ref. 207 925
0
10
20
30
40
50
60
100
70
80
90
150
175
200
225
250
275
300
% DUTY CYCLE
WELD AMPERES
325
MIG/FCAW
STICK
222 558
The volt-ampere curves show the
minimum and maximum voltage
and amperage output capabilities of
the welding generator. Curves of
other settings fall between the
curves shown.
4-7. TIG Mode Volt-Ampere Curves
DC AMPERES
DC VOL
TS
0
100
200
300
400
0
5
10
15
20
25
30
35
40
45
50
Min
3000RPM Max
3600RPM Max
Summary of Contents for Legend 302
Page 43: ...OM 4430 Page 39 218 723 B ...