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| Model | ARC-250S |
| Input voltage(V) | 1PH AC220V or AC380V±10% |
| Input power(KVA) | 8KVA 220V |
| 10.7KVA 380V | |
| Input current (A) | 36A 220V |
| 28A 380v | |
| Output current(A) | 20-200A 220V |
| 20-250A 380V | |
| No-load voltage (V) | 82±5 220V |
| 66±5 380V | |
| Duty Cycle% (40℃ 10min) | 250A 40% |
| 158A 100% | |
| Efficiency (%) | 70 |
| Protection grade | IP21 |
| Insulation grade | F |
| Net weight (KG) | 12.1 |
| Gross weight (KG) | 13,7 |
| Dimension of machine (mm) | 500*210*340 |
| Dimension of package (mm) | 570*260*460 |

Material | Sheet thickness (mm) | Stick diameter (mm) | Current range(A) | Model |
Carbon steel Stainless steel Low alloy steel
| 1.5-5 | 2.2.5/3.25/3.2 | 20-140 | ARC-140 |
1.5-10 | 2.5/3.2/4.0 | 20-160 | ARC-160 | |
1.5-10 | 2.5/3.2/4.0 | 20-200 | ARC-200 | |
1.5-15 | 2.5/3.2/4.0/5.0 | 20-250 | ARC-250 | |
2-20 | 2.5/3.2/4.0/5.0 | 20-400 | ARC-400 | |
≥16.0 | 5.0/6.0/8.0 | 20-600 | ARC-630 |






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