{"schemaVersion":1,"slug":"ac-relay-coil","name":"AC relay coil","kind":"symbol","abbreviation":"K AC","aliases":["HCR1AC","VCR1AC"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"An AC relay coil is intended for a specified alternating-current control supply.","description":["An AC relay coil is intended for a specified alternating-current control supply. Voltage and frequency form part of its coil rating and cannot be inferred from the relay tag."],"readingNotes":["Identify the actual control-supply frequency and voltage.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State coil voltage and frequency","Label coil terminals","Link contact references"],"distinction":"AC coil suitability does not mean its contacts can switch every AC or DC load.","facts":[{"label":"Drawing role","value":"Relay operation"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HCR1AC, VCR1AC (Autodesk identifiers; not IEC symbol numbers)"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"autodesk-contacts","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["relay-coil","normally-open-contact"],"artwork":"edu-ac-relay-coil","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/ac-relay-coil","illustration":{"url":"https://eloragrid.ai/library/illustrations/ac-relay-coil.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"autodesk-contacts","title":"Relays and contacts: public symbol reference","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-011C62B8-9EC8-485C-B47D-B22A3F7B7574.htm","type":"cad-reference","scope":"Normally open, normally closed and changeover contacts, relay coils and latching relay variants.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}