Explore the Engineering Database more efficiently by signing up for free. Sign up free

E12-511 — Circuit Breaker

Equipment Type
Circuit Breaker
Class Code
E12-511
Description
Circuit breaker, Oil filled, > 5
Failure Rate per Year (failures/year)
0.04957
Failures (count)
9
Mdt Hours (h)
20.6
Mtbf Hours (h)
176,720
Mttm Hours (h)
8
Mttr Hours (h)
23.75
Standard
IEEE Std 3006.8-2018 Table 2
Survey
Usace Prep
Unit Years (unit-years)
181.6

Source: IEEE Std 3006.8-2018 Table 2

Circuit_Breaker — class code E12-511 · failure rate per year 0.0495699 failures/year · mtbf hours 176720 h · unit years 181.6 unit-years · mdt hours 20.6 h | Equipment Failure Rates | Engineering Database