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E33-110 — Relay

Equipment Type
Relay
Class Code
E33-110
Description
Relay, electromechanical,
Failure Rate per Year (failures/year)
0.002415
Failures (count)
2
Mdt Hours (h)
4.51
Mtbf Hours (h)
3,627,240
Mttm Hours (h)
4.28
Mttr Hours (h)
35.5
Standard
IEEE Std 3006.8-2018 Table 2
Survey
Usace Prep
Unit Years (unit-years)
828.1

Source: IEEE Std 3006.8-2018 Table 2

Relay — class code E33-110 · failure rate per year 0.00241506 failures/year · mtbf hours 3627240 h · unit years 828.1 unit-years · failures 2 count | Equipment Failure Rates | Engineering Database