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E12-721 — Circuit Breaker

Name: Equipment Failure Rates — Circuit_Breaker: class code E12-721 · failure rate per year 0.0440312 failures/year · mtbf hours 198950 h · unit years 1476.2 unit-years · mdt hours 14.89 h
Creator: Engineering Database

Equipment Type: Circuit Breaker
Class Code: E12-721
Description: Circuit breaker, vacuum, < 15
Failure Rate per Year (failures/year): 0.044031
Failures (count): 65
Mdt Hours (h): 14.89
Mtbf Hours (h): 198,950
Mttm Hours (h): 2.6
Mttr Hours (h): 11.58
Standard: IEEE Std 3006.8-2018 Table 2
Survey: Usace Prep
Unit Years (unit-years): 1,476.2

Source: IEEE Std 3006.8-2018 Table 2

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