ENGLISH
OM-225 389 Page 7
2-6. Duty Cycle Chart
Duty cycle is percentage of 10
minutes that unit can weld at rated
load without overheating.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
40% Duty Cycle at 150 A AC/DC
4 Minutes Welding 6 Minutes Resting
226 798-A
2-7. DC Volt-Ampere Curves
Volt-ampere curves show minimum
and maximum voltage and amper-
age output capabilities of welding
power source. Curves of other set-
tings fall between curves shown.
ssb1.1 10/91 − 226 800-A
DC Stick Max (Max DIG)
DC TIG Max
DC TIG Min
DC Stick Min (Max DIG)
0 50 100
150
200 250 300
AMPS
0
10
20
30
40
50
60
70
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