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

E12-512 — Circuit Breaker

Name: Equipment Failure Rates — Circuit_Breaker: class code E12-512 · failure rate per year 0.453205 failures/year · mtbf hours 19329 h · unit years 1392.3 unit-years · mdt hours 30.56 h
Creator: Engineering Database

Equipment Type: Circuit Breaker
Class Code: E12-512
Description: Circuit breaker, Oil filled, > 5
Failure Rate per Year (failures/year): 0.453205
Failures (count): 631
Mdt Hours (h): 30.56
Mtbf Hours (h): 19,329
Mttm Hours (h): 28.84
Mttr Hours (h): 18.98
Standard: IEEE Std 3006.8-2018 Table 2
Survey: Usace Prep
Unit Years (unit-years): 1,392.3

Source: IEEE Std 3006.8-2018 Table 2

Browse more electrical engineering reference tables →