MAC TOOLS MW13O - Specifications

SECTION
1

SPECIFICATIONS
Table
1-1.
Welding
Power
Source
Specifications
Description
Type
Of
Output
Direct
Current/Constant
Voltage
(DC/CV)
Rated
Weld
Output
90
Amperes,
18 Volts
DC,
20%
Duty
Cycle
Type
Of
Input
Power
Single-Phase;
60
Hz;
At
115 Volts
AC
Input Amperes
At
Rated
Output
20A
KVAIKW
Used
At
Rated
Output
3
kVN2.2
kW
Max.
Open-Circuit Voltage
30
Volts
DC.
Control
Circuit
Voltage
At
Gun
24
Volts
DC
Welding
Processes
Gas
Metal Arc
(GMAW)
And
Flux
Cored
Arc
Welding
(FCAW)
Calculated
Speed
Range
At No
Load
28310716
ipm
(7.1
To 17.9
mpm)
Wire
Diameter
Range
.023
To
.035
in.
(0.58
To 0.89
mm)
Overall
Dimensions
Length:
16-1/2
in.
(419
mm);
Width: 9-1/2 in.
(241 mm);
Height:
17
in.
(4.32
mm)
Weight
Net:
73
lbs.
(33
kg);
Ship:
80 lbs.
(36
kg)
Welding
Gun
Rated
Output
(Air
Cooled)
160
Amperes
At
60%
Duty
Cycle
Using
CO2 Shielding
Gas
Cable
Length
lOft.
(3
m)
1-1.
Volt-Ampere
Curve
And
Duty
Cycle
Chart
A~
CAUTION
U,
~-
-I
0
>
~
o 20
40
60
80
100
DC
AMPERES
120
1O
126
100
~,
13
<
50
31.5
25
0
USING
GUN
BEYOND
DUTY
CYCLE RATING
can
damage
gun.

Do
not
use
gun
beyond
rated
amperage
when
using
CO2
shielding
gas.

Use
gun
at
30%
duty
cycle
when
using
mixed
shielding
gas.
wMam8.1
¶0/91
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.
Duty
cycle
is
how
long
the unit
can
operate
within
a
ten
minute
penod
without
causing
overheating
or
damage.
This
unit
is rated
at
20%
duty
cycle
allowing
welding
2
minutes
out
of
every
10
minutes.
This
gun
is
rated
at
60%
duty cycle
when
using
CO2
shielding
gas
and
30%
when
using
mixed
shielding
gas.
1.
16
20
26
30
40
50
60
103090100
Z
DUTY
CYC*.E
ssbl.1
10/91

SB-124
646-A/
sbl3 ¶0/91

SB.124
655.A
Figure
1-1.
Volt-Ampere
Curve
And
Duty
Cycle
Chart
OM-154 404
Page
1