Protective Relay Reference

Data record std.ieee-c37-112.definition.time-dial

Verified 2026-10-24 Confidence: High

In IEEE C37.112-2018 the time dial is the relay setting that fixes the integral quantity at which the relay operates, and so sets the time scale of the whole operate curve.

ProvenanceIEEE C37.112-2018 supports data record std.ieee-c37-112.definition.time-dial, which is cited on the entry IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays.SOURCEIEEE C37.112-2018IEEE C37.112-2018Licensed standard, clause 2DATA RECORDstd.ieee-c37-112.definition.time-dialstd.ieee-c37-112.definit..Verified 2026-10-24ENTRYIEEE Standard for Inverse-Time Characteristics Equations for Overcurrent RelaysIEEE Standard for Invers..No revisions
Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.
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StepItemDetail
SourceIEEE C37.112-2018Licensed standard, clause 2
Data recordstd.ieee-c37-112.definition.time-dialVerified 2026-10-24
EntryIEEE Standard for Inverse-Time Characteristics Equations for Overcurrent RelaysNo revisions
Subject
IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays (Standards)
Kind
Definition
Source
IEEE C37.112-2018, clause 2, IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays, IEEE.

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-24created
2026-10-24review_status unreviewed -> software_reviewed

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Cite the governing standard for the fact itself; cite this page as the finding aid.

"Data record std.ieee-c37-112.definition.time-dial." Protective Relay Reference. 2026-10-24. https://www.protectiverelayreference.com/data/std.ieee-c37-112.definition.time-dial/.