Section 3 − Specifications And Installation; Specifications; Duty Cycle And Overheating; Volt-Ampere Curves - Miller Maxstar 150 STH Bedienungsanleitung
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SECTION 3 − SPECIFICATIONS AND INSTALLATION
3-1. Specifications
Input Power
Rated Welding
Single-Phase
Output
AC
70A @ 22.8 Volts DC,
100% Duty Cycle
115 Volts Stick
115 Volts Stick
100A @ 24.0 Volts DC,
35% Duty Cycle
100A @ 14.0 Volts DC,
100% Duty Cycle
115 Volts TIG
115 Volts TIG
150A @ 16.0 Volts DC,
30% Duty Cycle
100A @ 24 Volts DC,
100% Duty Cycle
230 Volts Stick
230 Volts Stick
150A @ 26.0 Volts DC,
30% Duty Cycle
100A @ 14.0 Volts DC,
100% Duty Cycle
230 Volts TIG
230 Volts TIG
150A @ 16.0 Volts DC,
30% Duty Cycle
*Sense Voltage For Stick And TIG Lift Arct
3-2. Duty Cycle And Overheating
250
200
150
100
50
3-3. Volt-Ampere Curves
115 VAC Input
100
80
60
40
TIG Min
20
Stick Min
0
0
50
Welding
Max
Amperage
OCV
Range
DC
90V
20 − 100A
20 − 100A
*12-16
90V
5 − 150A
5 − 150A
*12-16
90V
20 − 150A
20 − 150A
*12-16
90V
5 − 150A
5 − 150A
*12-16
TIG (115 &230V)
Stick (230V)
Stick (115V)
0
10
% Duty Cycle
Volt-ampere curves show minimum and maximum voltage and amperage output capabilities
of welding power source. Curves of other settings fall between curves shown.
TIG/Stick Max
100
150
Amperes
Amperes In-
KVA @
put At Rated
Duty
Load Output,
KW
50/60Hz,
Cycle
Single-Phase
17.4
2.0
1.9
26.4
3.0
3.0
18.4
2.1
2.1
28.0
3.4
3.1
13.1
3.0
2.8
21.6
4.9
4.7
8.3
2.0
1.9
14.2
3.2
3.1
100
100
80
60
40
TIG Min
20
Stick Min
0
200
0
50
Dimensions
Weight
H: 9 in (229 mm)
13.7 lb
(6.2 kg)
(6.2 kg)
W: 5.5 in (140 mm)
W: 5 5 in (140 mm)
L: 13.25 in (337 mm)
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, output stops, the
Overtemperature Light comes On,
and the cooling fan runs. Wait fif-
teen minutes for unit to cool. Re-
duce amperage or duty cycle be-
fore starting to weld again.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
208 608-C
230 VAC Input
TIG/Stick Max
100
150
Amperes
208 604-B
OM-2242 Page 7
200
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