3-6. Weld Output Terminals And Selecting Cable Sizes*
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| Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit | |||||||
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| Not Exceeding |
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| 100 ft (30 m) Or Less | 150 ft | 200 ft | 250 ft | 300 ft | 350 ft | 400 ft | |
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| (45 m) | (60 m) | (70 m) | (90 m) | (105 m) | (120 m) | ||
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Weld Output | Welding | 10 − 60% | 60 − 100% |
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Duty | Duty |
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| 10 − 100% Duty Cycle |
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Terminals | Amperes*** |
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Cycle | Cycle |
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| 100 | 4 (20) | 4 (20) | 4 (20) | 3 (30) | 2 (35) | 1 (50) | 1/0 (60) | 1/0 (60) |
| 150 | 3 (30) | 3 (30) | 2 (35) | 1 (50) | 1/0 (60) | 2/0 (70) | 3/0 (95 | 3/0 (95) |
| 200 | 3 (30) | 2 (35) | 1 (50) | 1/0 (60) | 2/0 (70) | 3/0 (95) | 4/0 (120) | 4/0 (120) |
| 250 | 2 (35) | 1 (50) | 1/0 (60) | 2/0 (70) | 3/0 (95) | 4/0 (120) | 2 ea. 2/0 | 2 ea. 2/0 |
| (2x70) | (2x70) | |||||||
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+ − | 300 | 1 (50) | 1/0 (60) | 2/0 (70) | 3/0 (95) | 4/0 (120) | 2 ea. 2/0 | 2 ea. 3/0 | 2 ea. 3/0 |
Output Receptacles |
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| (2x70) | (2x95) | (2x95) |
*This chart is a general guideline and may not suit all applications. If cable overheating occurs (normally you can smell it), 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.
( ) = mm2 for metric use |
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***Select weld cable size for pulsing application at peak amperage value. |
