| No-Load Voltage | DC 70V±5V |
| Current Regulation Range | DC 30A-250A |
| Frequency | 50/60Hz |
| Rated Input Voltage | AC 220V±15% |
| Rated Input Current | 31 |
| Rated Duty Cycle Ratio | 60% |
| Min Output Current/Voltage | 20A/20.8V |
| Max Output Current/Voltage | 155A/26.2V |
| Rated Output | 4kW |
| Conversion Efficiency | 85% |
| Circuit Treatment Type | Analog Electronics |
| Cooling Method | Air Cooling |
| Isolation & Heat Resistance Class | F
|
| Cover Protection Class | IP21S |
| Eletroc-Shockproof Protection | Yes |
| Main Transformer Coil | Copper |
| Filter Reactor Coil | Copper
|
| Current Meter | Digital |
| Power factor | 0.6 |
| Welding Rod Diameter | 2.5-3.2mm |
| Net Weight | 5.4 Kg |
| Gross Weight | 7 Kg
|
| Packing Dimension (L*W*H) | 450*270*345mm |