Miller Electric Big Blue 401DXQ - Manual (Page 19)

OM-173 413 Page 15
3-3. Duty Cycle And Overheating
6 Minutes Welding 4 Minutes Resting
Continuous Welding
rduty1 5/95 – SB-070 999-B
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
60% Duty Cycle At 325 Amperes
100% Duty Cycle At 250 Amperes
3-4. Volt-Ampere Curves
SB-183 882
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.