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E12-722 — Circuit Breaker

Equipment Type
Circuit Breaker
Class Code
E12-722
Description
Circuit breaker, vacuum, < 15
Failure Rate per Year (failures/year)
0.039062
Failures (count)
28
Mdt Hours (h)
0.49
Mtbf Hours (h)
224,259
Mttm Hours (h)
0.35
Mttr Hours (h)
9.39
Standard
IEEE Std 3006.8-2018 Table 2
Survey
Usace Prep
Unit Years (unit-years)
716.8

Source: IEEE Std 3006.8-2018 Table 2

Circuit_Breaker — class code E12-722 · failure rate per year 0.0390619 failures/year · mtbf hours 224259 h · unit years 716.8 unit-years · mdt hours 0.49 h | Equipment Failure Rates | Engineering Database