Zone selective interlocking
Updated 2026-10-13
Data records
- Zone Selective Interlocking is specified for low-voltage ground-fault protection systems in acceptance testing at clause 7.14.B.8 of ANSI/NETA ATS-2025. Value: low-voltage ground-fault protection systems.
- Zone Selective Interlocking is specified for low-voltage ground-fault protection systems in maintenance testing at clause 7.14.B of ANSI/NETA MTS-2023. Value: low-voltage ground-fault protection systems.
Elsewhere in the family
- Zone Selective Interlocking more on this entry on Electrical Testing Reference
- Arc Energy Reduction Performance related entry on Electrical Testing Reference
- Primary Current Injection Trip Test related entry on Circuit Breaker Reference
- Motor Overload Relay Trip related entry on Electrical Testing Reference
- ANSI/NETA ATS-2025 Standard for Acceptance Testing Specifications related entry on Electrical Testing Reference
- ANSI/NETA MTS-2023 Standard for Maintenance Testing Specifications related entry on Electrical Testing Reference
Sources
- ANSI/NETA ATS-2025, Acceptance Testing Specifications for Electrical Power Equipment and Systems, 2025 edition, NETA. Cited: clause 7.14.B.8. Held as: Purchased single-user copy. Publisher page
- ANSI/NETA MTS-2023, Maintenance Testing Specifications for Electrical Power Equipment and Systems, 2023 edition, NETA. Cited: clause 7.14.B. Held as: Purchased single-user copy. Publisher page
Obtaining the documents
- ANSI/NETA ATS-2025: publisher catalog or sales page
- ANSI/NETA MTS-2023: publisher catalog or sales page
Changelog (2 entries)
| Date | Revision | Change |
|---|---|---|
| 2026-10-13 | created (tests.zone-selective-interlocking.equipment.relay.acceptance) | |
| 2026-10-13 | created (tests.zone-selective-interlocking.equipment.relay.maintenance) |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
"Zone selective interlocking." Protective Relay Reference. 2026-10-13. https://www.protectiverelayreference.com/tests/zone-selective-interlocking/.
Protective Relay Reference, Zone selective interlocking (Oct. 13, 2026), https://www.protectiverelayreference.com/tests/zone-selective-interlocking/.
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title = {Zone selective interlocking},
howpublished = {\url{https://www.protectiverelayreference.com/tests/zone-selective-interlocking/}},
organization = {Protective Relay Reference},
publisher = {Protective Relay Reference},
year = {2026},
note = {last substantive change 2026-10-13}
}{{cite web |title=Zone selective interlocking |website=Protective Relay Reference |publisher=Protective Relay Reference |url=https://www.protectiverelayreference.com/tests/zone-selective-interlocking/ |date=2026-10-13 |access-date=}}