{"schemaVersion":1,"slug":"iec-audible-bell","name":"Audible bell","kind":"symbol","abbreviation":"HAN1B","aliases":["Audible bell symbol","HAN1B","Audible bell IEC reference"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A bell indication identifies an audible annunciation output in a control circuit.","description":["A bell indication identifies an audible annunciation output in a control circuit.","Label the alarm purpose, supply and control contact.","A bell symbol does not establish sound level or alarm priority."],"readingNotes":["Label the alarm purpose, supply and control contact.","A bell symbol does not establish sound level or alarm priority."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Label the alarm purpose, supply and control contact.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"A bell symbol does not establish sound level or alarm priority.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"HAN1B (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Label the alarm purpose, supply and control contact."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"pub-symbol-earthing-surge","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-audible-bell","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Audible bell","reference":"Autodesk IEC-60617 Symbol Preview — Audible indication and protective component forms; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-audible-bell","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-audible-bell.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-symbol-earthing-surge","title":"AutoCAD Electrical: Earthing, sources and surge protection","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-1E3FDEAE-B4B2-417C-8075-108AA2C6E509.htm","type":"cad-reference","scope":"Public vendor catalogue naming and functional variants. Vendor block names are not IEC identifiers. Linked for reference; no graphics or CAD files are redistributed.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}