Protective Relay Reference

Data record tests.relay-27-undervoltage-test.equipment.relay.maintenance

Verified 2026-10-13 Confidence: Medium

Provenance pending: the source of this record has not yet been confirmed as official.

Relay 27 Undervoltage Test is specified for electromechanical and solid-state protective relays in maintenance testing at clause 7.9.1.B.3.5 of ANSI/NETA MTS-2023.

Value: electromechanical and solid-state protective relays

ProvenanceANSI/NETA MTS-2023 supports data record tests.relay-27-undervoltage-test.equipment.relay.maintenance, which is cited on the entry Relay 27 Undervoltage Test.SOURCEANSI/NETA MTS-2023ANSI/NETA MTS-2023Licensed standard, clause 7.9.1.B.3.5DATA RECORDtests.relay-27-undervoltage-test.equipment.relay.maintenancetests.relay-27-undervolt..Verified 2026-10-13ENTRYRelay 27 Undervoltage TestRelay 27 Undervoltage TestNo revisions
Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.
Provenance: the chain from source to entry.
StepItemDetail
SourceANSI/NETA MTS-2023Licensed standard, clause 7.9.1.B.3.5
Data recordtests.relay-27-undervoltage-test.equipment.relay.maintenanceVerified 2026-10-13
EntryRelay 27 Undervoltage TestNo revisions
Subject
Relay 27 Undervoltage Test (Test methods)
Kind
Equipment fact
Source
ANSI/NETA MTS-2023, clause 7.9.1.B.3.5, Maintenance Testing Specifications for Electrical Power Equipment and Systems, NETA. Publisher page

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-13created

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

"Data record tests.relay-27-undervoltage-test.equipment.relay.maintenance." Protective Relay Reference. 2026-10-13. https://www.protectiverelayreference.com/data/tests.relay-27-undervoltage-test.equipment.relay.maintenance/.