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Specifications
| Model / Item | ARC 500 | 
| Input power voltage (V) | AC415 ± 15% (3 phases), 50/60Hz | 
| Rated input capacity (KVA) | 17 | 
| Rated input current (A) | 28 | 
| Rated output voltage(V) | 21.6-36 | 
| Output current range(A) | 30-400 | 
| Arc force current range(A) | 200 | 
| Duty cycle imax (40 °C) | 60% | 
| Duty cycle 100% (40 °C ) | 310 | 
| No-load voltage (V) | 65% | 
| No-load loss (W) | 60 | 
| Efficency(%) | ≥85% | 
| Power factor | 0.93 | 
| Insulation class | H | 
| Protection class | IP21S | 
| Electrode diameter(mm) | 3.2 ~ 5.0 | 
| Size(mm) | 540×275×510 |