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E12-421 — Circuit Breaker

Name: Equipment Failure Rates — Circuit_Breaker: class code E12-421 · failure rate per year 0.0668099 failures/year · mtbf hours 131118 h · unit years 2290.1 unit-years · mdt hours 26.74 h
Creator: Engineering Database

Equipment Type: Circuit Breaker
Class Code: E12-421
Description: Circuit breaker, Metal Clad
Failure Rate per Year (failures/year): 0.06681
Failures (count): 153
Mdt Hours (h): 26.74
Mtbf Hours (h): 131,118
Mttm Hours (h): 2.56
Mttr Hours (h): 9.9
Standard: IEEE Std 3006.8-2018 Table 2
Survey: Usace Prep
Unit Years (unit-years): 2,290.1

Source: IEEE Std 3006.8-2018 Table 2

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