| Model no | ECO-200P | ECO-250P | ECO-300P |
| Rated input power | 8.7KW | 9.4KW | 10.6KW |
| Input frequency | 50-60Hz | 50-60Hz | 50-60Hz |
| Output current | 30-200A | 25-250A | 35-300A |
| Duty cycle | 60% | 35% | 35% |
| Electrode diameter | 1.6-4.0mm | 1.6-4.0mm | 1.6-5.0mm |
| Weight | 7kgs | 8.5kgs | 10kgs |
| Dimension | 29.5x14x20cm | ||