Miller Millermatic 250X Owner's Manual page 21

Arc welding power source and wire feeder
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Select Voltage and Wire
Speed Based on Thickness
of Metal Being Welded
3/8"
1/2"
.
(9.5 mm)
(6.4 mm)
(12
7 mm)
20.6/300
23.5/400
21.5/300
21.5/200
21.0/180
21.6/475
19.0/375
22.5/465
19.0/310
28.3/400
25.6/354
19.7/254
19.0/380
21.8/390
19.8/307
22.0/224
19.7/188
28.3/560
26.0/482
27.7/395
26.2/372
25.1/235
19.9/398
20.5/363
19.6/297
20.1/291
19.5/250
22.0/620
24.5/530
22.5/460
26.0/535
23.5/450
28.3/650
To read settings: Number on
left of slash is voltage, number
on right of slash is wire–speed.
"—" Means not recommended.
19.2/398 =
Example:
1/4"
3/16"
1/8"
(4.8 mm)
(3.2 mm)
20.1/322
19.4/252
19.0/206
20.0/225
19.5/180
20.4/166
20.0/152
19.1/522
18.1/400
17.7/300
17.0/250
18.0/275
17.5/213
18.6/220
17.7/180
18.0/300
17.0/230
18.5/299
17.8/242
18.8/171
18.0/131
25.1/370
24.0/296
23.2/275
20.8/201
21.5/460
19.2/311
18.5/255
19.1/270
18.5/235
19.1/225
18.6/175
20.8/490
19.0/450
21.0/420
20.0/360
21.6/400
20.0/330
V
V
VOLTAGE
14 ga.
16 ga.
18 ga.
(2.0 mm)
(1.6 mm)
(1.2 mm)
19.3/272
18.7/228
17.3/147
18.5/180
17.8/152
17.0/100
18.5/150
18.0/120
17.5/100
19.4/125
19.0/102
18.7/102
17.4/343
16.5/266
15.3/198
16.5/209
16.3/190
15.5/150
16.5/160
15.0/125
14.4/104
15.5/93
16.5/148
16.0/125
15.0/138
14.0/110
15.3/95
15.0/87
17.4/103
19.6/183
21.0/330
19.0/200
18.1/145
18.3/231
17.5/182
17.0/142
17.9/198
17.5/172
18.3/400
18.1/350
WIRE SPEED
20 ga.
22 ga.
(0.9 mm)
(0.8 mm)
16.0/118
15.3/107
16.3/90
16.0/80
16.5/80
14.5/73
14.0/140
14.0/125
14.0/111
14.0/100
14.0/95
14.0/90
OM-1320 Page 17
196 843

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