Auxiliary Power Curve; Duty Cycle - Miller Electric Trailblazer 251 NT Owner's Manual

3-4. Auxiliary Power Curve

280 140
240 120
200 100
160 80
120 60
80 40
40 20
0 0
0
0

3-5. Duty Cycle

20 40 60 80
AC POWER AMPERES AT 120V
10 20 30 40
AC POWER AMPERES AT 240V
100% Duty Cycle at 250 Amperes DC
Continuous Welding
100 120 140 160
50 60 70 80
The ac auxiliary power curve
shows the auxiliary power available
in amperes at the receptacles.
ST-189 268
Duty cycle is the percentage of 10
minutes that unit can weld at rated
load without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
ST-182 298
OM-486 Page 11