5. connecting to weld output terminals, 6. selecting weld cable sizes – Hobart Welding Products POWERPAK OM-478 User Manual
Page 22
OM-478 Page 18
4-5.
Connecting To Weld Output Terminals
2
3
1
Access Door
2
Work Weld Output Terminal
3
Electrode Weld Output Terminal
4
Torch Cable Adapter
Adapter connects power and water to
torch and cooling system or drain.
Y
Use only a proper torch cable
adapter positioned so it does
not hit frame, hardware, or
door during operation.
Connect cables as shown.
Close and secure access door.
Tools Needed:
3/8, 3/4 in
SMAW Connections
GTAW Connections
Work
Work
OR
Ref. ST-121 578-D / Ref. ST-184 781-A / ST-800 578-F
Location of Terminals
Gas Or
Water Hose
2
3
4
2
3
1
4-6.
Selecting Weld Cable Sizes
Total Cable (Copper) Length In Weld Circuit Not Exceeding
Welding
100 ft (30 m) Or Less
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
Amperes
10 – 60%
Duty Cycle
60 – 100%
Duty Cycle
10 – 100% Duty Cycle
100
4
4
4
3
2
1
1/0
1/0
150
3
3
2
1
1/0
2/0
3/0
3/0
200
3
2
1
1/0
2/0
3/0
4/0
4/0
250
2
1
1/0
2/0
3/0
4/0
2-2/0
2-2/0
300
1
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-3/0
350
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-3/0
2-4/0
400
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-4/0
2-4/0
500
2/0
3/0
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-3/0
600
3/0
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
*Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. Contact your
distributor for the mm
2
equivalent weld cable sizes.
S-0007-E