Miller Electric 400 Welder User Manual


 
2-1.
Specifications
SECTION
2
-
INSTALLATION
400
g~
500
~0
z
zxj
150
Duty
Cycle
is
percentage
of
10
minutes
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.
A
Exceeding
duty
cycle
can
damage
unit
and
void
warranty.
Rated
Output
Max.
Open
Circuit
Voltage
Amps
Input
at
Ra
ted
Output,
50
or
60
Hz
230
V
400
V
I
KVA
I
KW
300
A
at
32
VDC,
I
240
A
at
32
VDC,
60%
Duty
Cycle
1100%
Duty
Cycle
38
44.4
25.5
17.9
112.7
I
I
Wire
Type
and
Diameter
Solid
Steel
I
Stainless
Steel
Flux
Cored
Wire
Feed
Speed
50-670
1PM
(1.2-1.7
m/min)
Dimensions
H:
37
in
(940
mm)
W:
19
in
(483
mm)
D:
30-1/4
in
(768
mm)
Net
Weight
275
lb
(125
kg)
.023
-
1/16
in
I
.023
-
.035
in
(0.6
-
1.6
mm)
(0.6
-
0.9
mm)
.030
-
1/16
in
(0.8
-
1.6
mm)
2-2.
Duty
Cycle
And
Overheating
I
~H
OR
Reduce
Duty
Cycle
Minutes
sdutyl
5/95
/
5A-1
87
478-A
100
10
15
30
40
5060708090100
%DUVfcYCLE
100%
Duty
Cycle
At
240
Amperes
0*
Continuous
Welding
Overheating
OM-189
424
Page
9