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SMAW DIG
V
VOLTS
A
AMPS
MILLER ELECTRIC MFG. CO., APPLETON, WI
MADE IN
MADE IN
HIGH TEMP
SHUTDOWN
A
V
MIN
MAX
800
750
700
650
600
550
500
450
400
350
300
250
100
150
200
CC
CV
SUB
ARC
228225 A
PROCESS
A/V
ARC FORCE
CONTROL
A/V ADJUST
POWER
ON
OFF
PANEL
REMOTE
REMOTE
ON
CC/CV•DC Welding Power Source
Sub Arc DC 650
OUTPUT
7
8
1
2
3
6
5
4
Performance Data
2
Control Panel
Sub Arc DC 650/800 Specifications (Subject to change without notice.)
Rated Output
650 A at
44 VDC,
100% Duty
Cycle
Model
650 A
800A
Amperage/Voltage
Range
50–815 A
in CC mode
10–65 V
in CV mode
Max. Open-
Circuit
Voltage*
72 VDC
Amps Input at Rated Output, 50/60 Hz
230 V 380V 400V 440V 460V 520V 575V KVA KW
126 77 73 66 63 54 50.4 50 34.8
3.8** 1.9** 1.8** 1.6** 1.9** 1.1** 1.4** 1.52** 0.76**
Dimensions
H: 27-1/4 in (692 mm)
including lift eye
W: 22-1/4 in (565 mm)
D: 36 in (914 mm)
including strain relief
Net
Weight
545 lb
(247 kg)
50 Hz models with CE Specifications are manufactured according to the Standard IEC 60974-1.
Certified to both the Canadian and U.S. Standards for welding equipment.
*Open-circuit voltages in CV mode are factory set at values less than indicated for CC. **While idling.
% DUTY CYCLE
WELDING AMPS
DUTY CYCLE CHART
300
400
600
800
1000
50 60 70 80 90 10040
RATED OUTPUT
DC AMPS
DC VOLTS
VOLT/AMP CURVE CV
0
0
20
10
30
40
50
60
70
80
100 200 300 400 500 600 700 800 9001000
GMAW
FCAW
MAX.
MED.
MIN.
DC AMPS
DC VOLTS
VOLT/AMP CURVE CC
0
0
20
10
30
40
50
60
70
80
100 200 300 400 500 600 700 800 9001000
SMAW
SMAW
ARC FORCE
MIN.
MAX.
SMAW
ARC FORCE
MIN.
MAX.
1. Arc Force (DIG) Control
2. Remote Amperage/Voltage Control Switch
3. Output Switch (Contactor)
4. Process Selector Switch
5. Digital Meters
6. Amperage/Voltage Adjustment Control
7. High Temperature Shutdown Light
8. Power Switch with Indicator Light