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How is MTBF (Mean Time Between Failures) Calculated?

1. Computed following RDF2000 Reliability model (UTE C 80-810 standard) - EQUIPMENT ambient temperature at 30deg C (86deg F), 60deg C (140deg F) and 85deg C (185deg F)

2. Continuous operation profile: 100% operation rate per year (365d / year, 24h / day) - 12 power on/off per year (1 per month) - No stocking days

3. Intermittent operation profile: 46% operation rate per year (335d / year 12h /day) - 335 power on/off per year (1 per operating day) 30 stocking days

4. MTBF are given in hours

Released for: Schneider Electric Canada
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