SECTION 4 − INSTALLATION
4-1. Specifications
| Rated | Amperage/ |
| Amperes Input at Rated Load Output 50/60 Hz, |
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Model | Welding | Max OCV−DC |
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Voltage Range |
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| Output |
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| 230 V | 380 V | 400 V | 440 V | 460 V | 575 V | KVA | KW | ||
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| 78 VDC In |
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| 5 − 500A In CC | CC Mode For |
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| 60 Hz |
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| Mode |
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| 80 VDC In CC |
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| 450 A @ 38 |
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| Mode For 50 Hz | 57 | 34 | 33 | 30 | 29 | 23 | 22.6 | 21.0 | |
450 Amp | Volts DC, 100% |
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| 78 VDC In | *2.18 | *1.11 | *1.05 | *.950 | *1.04 | *0.84 | *0.87 | *0.29 | ||
| Duty Cycle |
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| 10 − 38V In CV | CV Mode For |
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| 60 Hz |
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| Mode |
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| 80 VDC In CV |
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| Mode For 50 Hz |
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*While idling |
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4-2. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating.
If unit overheats, thermostat(s) opens, output stops, and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or duty cycle before welding.
NOTICE − Exceeding duty cycle can damage unit and void warranty.
100% Duty Cycle
Continuous Welding
Overheating | A/V |
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| 15 |
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Minutes | Reduce Duty Cycle |
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duty1 4/95 / 210
