Overload Capacity
Cooling Mode
IEEE C57.91kVA
°C
°C
°C
°C
Permissible Overloads (IEC 60076-7)
| Loading Type | Load | Duration | HS |
|---|---|---|---|
| Normal Cyclic Loading | 1.5 | 2 h | 120 °C |
| Long-Term Emergency | 1.5 | > 2 h | 140 °C |
| Short-Term Emergency | 1.8 | 30 min | 160 °C |
| Extreme Emergency | 2.0 | < 15 min | 180 °C |