Miller Subarc DC 1250, Руководство пользователя

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OM-2223 Page 12
SECTION 4 − INSTALLATION
4-1. Specifications
Model
Rated Welding
Output
Amperage/Voltage
Range DC
Max
OCV−DC
Amperes Input at Rated
Load Output,
60 Hz, Three-Phase
Amperes Input at Rated
Load Output,
50 Hz, Three-Phase
Output Range DC OCV−DC
230 V 460 V 575 V 380 V 400 V 440 V KVA KW
1000
Amp
1000 A @ 44
Volts DC, 100%
100 − 1250 A In CC
Mode
66 VDC
180
5.8* 90
2.9*
72
2.4*
73
3.2*
53
0.5*
1000
Amp
Volts DC, 100%
Duty Cycle
10 − 60 V In CV
Mode
66 VDC
5.8* 2.9* 2.4* 3.2* 0.5*
1250
Amp
900 A @ 44
Volts DC, 100%
100 − 1250 A In CC
Mode
66 VDC
101
5.2* 96
5.0*
87
4.5*
66.3
3.4*
48.4
0.56*
1250
Amp
Volts DC, 100%
Duty Cycle
10 − 60 V In CV
Mode
66 VDC
5.2* 5.0* 4.5* 3.4* 0.56*
*While idling
4-2. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes 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
duty cycle before welding.
Y
Exceeding duty cycle can
damage unit and void
warranty.
100% Duty Cycle
Overheating
0
15
A/V
OR
Reduce Duty Cycle
Minutes
duty1 4/95 / SA-191 157-A
Continuous Welding
% DUTY CYCLE
30
WELD AMPERES
800
700
600
500
20 10
2000
1800
1600
1400
1200
1000
100 90 80 70 60 50 40
DIMENSION 1000
DIMENSION 1250