Miller Electric 375 Welder User Manual


 
OM-2229 Page 12
4-3. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can cut at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, Temperature
trouble light goes On, and cooling
fan runs. Wait fifteen minutes for
unit to cool or temperature light to
go off. Reduce amperage or duty
cycle before cutting or gouging.
Y Exceeding duty cycle can
damage unit and void
warranty.
Overheating
sduty1 5/95 / 802 784-B
3-1/2 Minutes Cutting 6-1/2 Minutes Resting
35% duty cycle
For Units Connected to a 115 Volt Circuit
or a 230 Volt Circuit:
35% Duty Cycle At 27 amperes, 92 volts dc
0
15
Minutes
A
OR
Reduce Duty Cycle
4-4. Torch Dimensions And Weight
Ref. 802 877
3.0 lb (1.4 kg)
1 in
(25 mm)
8-3/8 in
(213 mm)
1-3/8 in
(35 mm)