{"schemaVersion":1,"slug":"82-dc-load-measuring-reclosing-relay","name":"DC load-measuring reclosing relay","kind":"function","abbreviation":"82","aliases":["DC reclosing","load measuring reclosing","ANSI 82","IEEE device 82"],"category":"measurement-protection","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEEE / ANSI"],"summary":"Supervises a DC load condition as part of a documented reclosing arrangement.","description":["Supervises a DC load condition as part of a documented reclosing arrangement.","In a drafting package, connect this reference to the DC load measurement and open-circuit supervision. The associated drawing should trace the controlled DC breaker reclose path; the number identifies the role and does not specify the terminal arrangement, ratings or operating settings.","This designation is useful when reading machine and legacy control drawings. Retain the documented function on an existing drawing and consult the original equipment manual before assigning it to a new design."],"readingNotes":["Identify the DC load measurement and open-circuit supervision.","Trace the controlled DC breaker reclose path."],"drawingChecklist":["Label the DC load measurement and open-circuit supervision.","Cross-reference the controlled DC breaker reclose path.","Identify the device tag, manual revision and logic drawing that define this implementation."],"distinction":"DC load-measuring reclosing is a specialist scheme and should not be inferred from an AC autoreclose 79 label.","facts":[{"label":"ANSI / IEEE function number","value":"82"},{"label":"Drawing context","value":"The DC load measurement and open-circuit supervision"},{"label":"Application scope","value":"Specialist or legacy machine-control use; interpret with the equipment legend."}],"references":[{"sourceId":"pub-function-sel-numbers","relevance":"Public manufacturer number/name association. Drafting explanations are independently written."},{"sourceId":"ieee-functions","relevance":"Normative device-number publication; exact edition wording and compliance require the licensed standard."}],"related":["72-dc-circuit-breaker","52-ac-circuit-breaker"],"artwork":"pub-function-box","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/protection-functions/82-dc-load-measuring-reclosing-relay","illustration":{"url":"https://eloragrid.ai/library/illustrations/82-dc-load-measuring-reclosing-relay.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-function-sel-numbers","title":"ANSI device-number and suffix reference table","publisher":"Schweitzer Engineering Laboratories","url":"https://selinc.com/pt/products/tables/ansi/","type":"manufacturer","scope":"Public Portuguese-language base-number and application-suffix table. Used to cross-check public number associations. Application-specific and historical labels need the selected drawing legend; this table is not a substitute for the licensed IEEE standard.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public manufacturer number/name association. Drafting explanations are independently written."},{"id":"ieee-functions","title":"IEEE C37.2-2022: power-system device function numbers","publisher":"IEEE","url":"https://ieeexplore.ieee.org/document/9984140","type":"standard","scope":"Device function numbers, acronyms and contact designations. The full publication may require access through IEEE.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Normative device-number publication; exact edition wording and compliance require the licensed standard."}]}