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| Model | YH-X2020A | YH-X2030A | YH-X2040A |
| Power | 2000W | 3000W | 4000W |
| Welding area | 0.5-16 mm2 | 0.5-20 mm2 | 1-30 mm2 |
| Working air pressure | 0.05-0.9MPa | 0.05-0.9MPa | 0.05-0.9MPa |
| Working frequency | 20KHz | 20KHz | 20KHz |
| Working voltage | 220V | 220V | 220V |