
The WSM-400 Pulse series features IGBT full digital inverter and independent pulse control technology. Pulse frequency, duty cycle, and base current can all be independently adjusted for precise heat input control. Suitable for thin plate and precision welding of stainless steel, carbon steel, and alloy steel.
Pulse function effectively reduces welding deformation with beautiful weld formation and minimal HAZ. Triple-proof coating ensures reliable operation in harsh environments. HF arc ignition success rate 99%+. ISO9001 and EU CE certified.
| Model | WSM-400 (Pulse) |
| Input Power | 3P 380V ±15% |
| Frequency | 50/60 Hz |
| Current Range | 10–400 A |
| Pulse Frequency | 0.5–500 Hz |
| Duty Cycle | 10%–90% |
| Rated Duty Cycle | 60% |
| No-Load Voltage | 67V |
| Inverter Frequency | 28 KHz |
| Protection Class | IP21S |
| Insulation Class | F |
| Cooling | Water |
| Cable Length | 5m |
| Pulse Type | Standard Pulse |
| Dimensions | 485 × 245 × 420 mm |
| Net Weight | 16.5 kg |