Are the trip unit history logs lost if power sources are lost?

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Are the trip unit history logs on a Micrologic Power or Harmonic trip unit lost if power sources are lost?

Issue:
Will I lose the information stored in my trip history if I have a power loss situation?

Product Line:
Circuit Breakers

Resolution:
Even if all power sources are lost, the history logs, maintained with nonvolatile memory in the trip units, will indicate why the circuit breaker tripped.