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E12-111 — Circuit Breaker

Equipment Type
Circuit Breaker
Class Code
E12-111
Description
Circuit breaker, air, 3-phase,
Failure Rate per Year (failures/year)
0.010128
Failures (count)
90
Mdt Hours (h)
60.16
Mtbf Hours (h)
864,889
Mttm Hours (h)
73.27
Mttr Hours (h)
11.65
Standard
IEEE Std 3006.8-2018 Table 2
Survey
Usace Prep
Unit Years (unit-years)
8,885.8

Source: IEEE Std 3006.8-2018 Table 2

Circuit_Breaker — class code E12-111 · failure rate per year 0.0101285 failures/year · mtbf hours 864889 h · unit years 8885.8 unit-years · mdt hours 60.16 h | Equipment Failure Rates | Engineering Database