

WSM series IGBT inverter pulse argon arc welding machine Main features:
1. Adopt Siemens IGBT module.
2. Computer control technology.
3. Has deliver gas advance, stop gas delay, current climbing and current attenuation functions, parameter adjustable and control easily.
4. Adjust pulse frequency, duty cycle, peak value, basic value.
5. Digital display makes welding current setting precisely.
6. High efficiency and reliability with resonance conversion.
| TECHNICAL PARAMEER | WSM-250 | WSM-315 | WSM-400 | WSM-500 |
| Main Voltage | 3PH380V | 3PH380V | 3PH380V | 3PH380V |
| Frequency | 50Hz | 50Hz | 50Hz | 50Hz |
| Input Capacity | 10Kva | 12Kva | 16Kva | 25Kva |
| No Load Voltage | 70V | 70V | 70V | 70V |
| Welding Current | 20-250A | 20-315A | 20-400A | 40-500A |
| Duty Cycle | 60% | 60% | 60% | 60% |
| Power Factor | Cos ø0.8 | Cos ø0.8 | Cos ø0.8 | Cos ø0.8 |
| Min Electrode | 1.6 | 1.6 | 1.6 | 1.6 |
| Max Electrode | 5.0 | 6.0 | 7.0 | 8.0 |
| Insulation Class | F | F | F | F |
| Protection Degree | IP21S | IP21S | IP21S | IP21S |
| Dimension | 520×260×540 | 570×305×590 | 570×305×590 | 670×305×690 |
| Weight | 33Kg | 50Kg | 52Kg | 58Kg |