The MTBF values are in hours for 490NAC0100 as shown below
| MTBF 30° Continuous | MTBF 30° Intermittent | MTBF 60° Continuous | MTBF 60° Intermittent |
| 13 386 328 | 5 767 152 | 8 620 000 | 4 783 955 |
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