Tabel 1. Temperature profile during 50 years
| Temperature [ ºC] | Time | Overall service coefficient | |
| Tdesign | 70 | 49 years | 1,5 |
| Tmax | 80 | 1 years | 1,3 |
| T malfunction | 90 | 100 hours | 1,0 |
| Remark: the mentioned temperature profile is in accordance with class 2 of ISO 10508. |
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