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OM-235 281 Page 11
SECTION 3 − INTRODUCTION
3-1. Specifications
Rated Output
Max. Open
Circuit Voltage
Amps Input at Rated Output, 60 Hz, Single-Phase
200 V 230 V KVA KW
175 A at 25.5 VDC,
60% Duty Cycle
38
37.0
2.4*
32.5
2.3*
7.4
0.54*
6.3
0.30*
* While idling
Wire Type and Diameter
No Load
Wire Feed
Speed
Dimensions Weight
Solid Steel/
Stainless Steel
Aluminum Flux Cored
0−700 IPM
(0−17.8
m/min)
H: 32 in (813 mm)
W: 18-7/8 in (479 mm)
D: 37 in (940 mm)
185 lb
(84 kg)
.023 − .045 in
(0.6 − 1.2 mm)
.030 − .035 in
(0.8 − 0.9 mm)
.030 − .045 in
(0.8 − 1.2 mm)
3-2. Welding Power Source Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
voltage, or duty cycle before
welding.
NOTICE − Exceeding duty cycle
can damage unit or gun and void
warranty.
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
duty1 4/95 − 227 953-A
30 40 50 60 70 80 90 100
50
100
150
200
250
% DUTY CYCLE
WELD AMPERES
6 Minutes Welding 4 Minutes Resting
60%dutycycle