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SECTION 3 − INTRODUCTION
3-1. Specifications
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| RMS Amps Input at Rated Load |
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| Amperage | Max. Open- | Output, 60 Hz |
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| Load Voltages and Class I Rating |
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| Range in | Circuit |
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Rated Welding Output | CC Mode | Voltage | 480 V | 575 V | KVA | KW |
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1000 A at 36 VDC, | 50−1000A | 70 VDC | 55 | 45 | 46 | 42 |
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| (0.10*) | (0.08*) | (0.09*) | (0.04*) | |
27% Duty Cycle |
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*While idling |
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**See Section
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| Y Exceeding duty | cycle | can | |
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| damage | unit | and | void |
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| warranty. |
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| Percent duty cycle = 1.7 times the | |||
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| number of 1 second (1000ms) | |||
| 0.750 |
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| loads/outputs per minute, without | |||
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| overheating. The one second load | |||
| 0.625 |
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| is the rated output. |
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| If unit overheats, output stops. A | ||||
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| 0.500 |
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| HLP 3 message (see Section | |||
SIZE |
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| is displayed, and cooling fan runs. | ||||
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| Wait fifteen minutes for unit to cool. | ||||
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STUD | 0.375 |
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| Reduce amperage or duty cycle be- | |||
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| fore welding. |
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| 0.250 |
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| 0.125 |
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| 0.000 |
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| 16 | 30 | 40 | 60 |
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| NUMBER OF STUDS IN ONE MINUTE |
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| 27% Duty Cycle |
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| .75 second Welding |
| 3.00 seconds Resting |
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Overheating |
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| 0 |
| A or V |
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| 15 |
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| OR |
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| Minutes |
| Reduce Duty Cycle |
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| sduty1 5/95 / |