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2-1.
Volt-Ampere
Curves
Figure
2-1.
Volt-Ampere
Curves
2-2.
Duty
Cycle
L
~AUTION
WELDING
LONGER
THAN
RATED
DUTY
CYCLE
can
damage
unit
and
void
warranty.
Do
not
weld
at
rated
load
longer
than
shown
below.
warn7.1
8/93
A~.
Low
Range
The
volt-ampere
curves
show
the
minimum
and
maximum
voltage
and
amperage
output
capabilities
of
the
welding
power
source.
Curves
of
other
settings
fall
be
tween
the
curves
shown.
B.
High
Range
70
60
50
40
0
>
30
C.)
20
10
0
70
60
50
40
0
>
30
C.)
20
10
0
0
50
100
150
2D0
250
300
350
400
450
500
650
600
DC
AMPERES
0
100
200
300
400
600
600
700
800
900
DC
AMPERES
ssbl
.110/91
SB-084
850-A
/
SB-084
845-A
Definition
Chart
1200
Duty
Cycle
is
percentage
of
10
minutes
that
unit
can
weld
at
rated
load
without
overheating.
(1)
~O00
35%
Duly
Cycle
At
510
Amperes
ii~
~
3-1/2
Minutes
Welding
6-1/2
Minutes
Resting
Z
DUTY
CYCLE
sbl
.2
8/93
Aol.
SB-000
865-D
Figure
2-2.
Duty
Cycle
OM-168
256
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