Miller Electric 400 Welder User Manual


 
2-3.
Volt-Ampere
Curve
1
Normal
Volt-Ampere
Curves
The
volt-ampere
curves
show
the
normal
minimum
and
maximum
voltage
and
amperage
output
ca
pabilities
of
the
welding
power
source.
Curves
of
other
settings
fall
between
the
curves
shown.
2
Overload
Volt-Ampere
Curves
When
unit
is
used
beyond
capac
I
ity,
circuitry
senses
the
overload
iI
and
shuts
down
unit
output.
Re
lease
trigger
and
lower
weld
volt
age
setting
before
trying
to
weld.
H
20
This
shut
down
circuitry
protects
internal
circuits
and
parts
from
overload
damage.
tJ
0
0
113
~L5J
2~
2~G
313
3~C)
4(I)
EL
AIVEEFES
ST-189
478
I I
I
I I I I I I I
I I I
2-4.
Installing
Work
Clamp
OM-189
424
Page
10