8. weld output terminals and selecting cable sizes, 9. connecting weld output cables – Miller Electric Delta-Fab User Manual
Page 17
OM-2241 Page 13
3-8. Weld Output Terminals And Selecting Cable Sizes
Total Cable (Copper) Length In Weld Circuit Not Exceeding
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)
Y Turn off power before
connecting to weld out-
put terminals.
Y Do not use worn, dam-
aged, undersized, or
poorly spliced cables.
Welding
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
Negative
400
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-4/0
2-4/0
g
Stainless Steel/
Aluminum
500
2/0
3/0
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-3/0
Aluminum
All Other
Mat ial
600
3/0
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
Materials
700
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
4-4/0
*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
3-9. Connecting Weld Output Cables
803 778-B
Y Turn off power before connecting to
weld output terminals.
Y Failure to properly connect weld
cables may cause excessive heat
and start a fire, or damage your ma-
chine.
1
Weld Output Terminal
2
Supplied Weld Output Terminal Nut
3
Weld Cable Terminal
4
Copper Bar
Remove supplied nut from weld output ter-
minal. Slide weld cable terminal onto weld
output terminal and secure with nut so that
weld cable terminal is tight against copper
bar. Do not place anything between weld
cable terminal and copper bar. Make
sure that the surfaces of the weld cable
terminal and copper bar are clean.
Tools Needed:
3/4 in (19 mm)
4
2
3
Do not place
anything between
Correct Installation
Incorrect Installation
1
weld cable terminal
and copper bar.