{"schemaVersion":1,"slug":"iec-disconnected-mechanical-coupling","name":"Disconnected mechanical coupling","kind":"symbol","abbreviation":"Q021217","aliases":["Disconnected mechanical coupling symbol","Q021217","Disconnected mechanical coupling IEC reference"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This indication identifies the disconnected state of a mechanical coupling.","description":["This indication identifies the disconnected state of a mechanical coupling. The driving and driven elements are represented without an engaged torque or motion-transmission relationship in this state. Either element can still have electrical connections.","Use the state diagram or mechanism schedule to define what causes engagement. The disconnected coupling mark should not be substituted for a power isolation symbol."],"readingNotes":["Read the state within the documented mechanism sequence.","A disconnected coupling state is separate from the isolation of an electrical supply."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Read the state within the documented mechanism sequence.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"A disconnected coupling state is separate from the isolation of an electrical supply.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q021217 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Read the state within the documented mechanism sequence."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-coupling","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["relay-coil","normally-open-contact"],"artwork":"edu-iec-disconnected-mechanical-coupling","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Disconnected mechanical coupling","reference":"Autodesk IEC-60617 Symbol Preview — Mechanical coupling qualifiers; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-disconnected-mechanical-coupling","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-disconnected-mechanical-coupling.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-public-coupling","title":"Autodesk IEC-60617 preview: Mechanical coupling qualifiers","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F3E7DE9A-47D1-4C25-BBBE-6C07AA1B3033.htm","type":"cad-reference","scope":"Public publisher IEC-context family names and vendor block references. No vendor images or CAD library files are reproduced, and vendor tokens are not presented as verified IEC database identifiers.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}