Connecting To Weld Output Terminals; Selecting Weld Cable Sizes - Miller Electric Legend 301 G Owner's Manual

Engine driven welding generator
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5-6. Connecting To Weld Output Terminals

5-7. Selecting Weld Cable Sizes*

Weld Output
Terminals
Y Stop
engine
before
connecting to weld out-
put terminals.
Y Do not use worn, dam-
aged, undersized, or
poorly spliced cables.
This chart is a general guideline and may not suit all applications. If cable overheats, use next size larger cable.
*
**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.
2
( ) = mm
for metric use
***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.
1
Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit
100 ft (30 m) or Less
10 − 60%
60 − 100%
Welding
Duty
Amperes
Cycle
Cycle
100
4 (20)
150
3 (30)
200
3 (30)
250
2 (35)
300
1 (50)
1/0 (60)
350
1/0 (60)
2/0 (70)
400
1/0 (60)
2/0 (70)
Not Exceeding***
150 ft
200 ft
(45 m)
(60 m)
Duty
4 (20)
4 (20)
3 (30)
3 (30)
2 (35)
1 (50)
2 (35)
1 (50)
1/0 (60)
1 (50)
1/0 (60)
2/0 (70)
2/0 (70)
3/0 (95)
3/0 (95)
4/0 (120)
3/0 (95)
4/0 (120)
Y Stop engine.
Y Do not connect to CC and CV
terminals at the same time.
1
Negative (−) Weld Output
Terminal
2
Stick/TIG (CC) Weld Output
Terminal
3
Wire /CV Weld Output Terminal
For MIG welding, connect work cable
to Negative (−) terminal and wire
feeder cable to Wire (CV) terminal.
For Stick/TIG welding, connect work
cable to Negative (−) terminal and
electrode holder cable to Stick/TIG
(CC) terminal.
2
3
803 128 / Ref. 211 909
250 ft
300 ft
350 ft
(70 m)
(90 m)
(105 m)
10 − 100% Duty Cycle
2 (35)
1 (50)
1/0 (60)
1/0 (60)
2/0 (70)
3/0 (95)
2/0 (70)
3/0 (95)
4/0 (120) 4/0 (120)
2 ea. 2/0
3/0 (95)
4/0 (120)
(2x70)
2 ea. 2/0
2 ea. 3/0
4/0 (120)
(2x70)
(2x95)
2 ea. 2/0
2 ea. 3/0
2 ea. 3/0
(2x70)
(2x95)
(2x95)
2 ea. 2/0
2 ea. 3/0
2 ea. 4/0
(2x70)
(2x95)
(2x120)
OM-4411 Page 19
400 ft
(120 m)
1/0 (60)
3/0 (95)
2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 4/0
(2x120)
2 ea. 4/0
(2x120)
S-0007-F

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