{"schemaVersion":1,"slug":"ansi-fuse","name":"ANSI/IEEE fuse symbol","kind":"symbol","abbreviation":"FU","aliases":["IEEE fuse symbol","ANSI fuse symbol","HFU1"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEEE / ANSI","Manufacturer"],"summary":"IEEE-oriented graphical reference for fuse, with public vendor evidence and drawing-reading notes.","description":["The fuse representation identifies a sacrificial protective element in a conductor path. The drawing requires its fuse designation and selected link data; a compact outline cannot establish the time-current category, voltage rating or breaking capacity.","This is a convention-specific lookup based on the publisher's IEEE-labelled preview. The geometry here is independently drawn to explain the connection or operation; it is not a certified reproduction of the standard graphic."],"readingNotes":["Trace the conductor through the protective element rather than treating its outline as a terminal.","Read the selected library and the project legend together. A vendor block identifier is meaningful within its named library and is not a universal standard-symbol code."],"drawingChecklist":["State fuse category","Record current/voltage rating","Reference breaking and coordination data"],"distinction":"A fuse graphic represents a fuse-link function; a fuse-switch includes an operating assembly as well.","facts":[{"label":"Convention evidence","value":"Autodesk IEEE Symbol Preview — Fuses"},{"label":"Public vendor block name","value":"HFU1 (Autodesk identifier; not an IEEE symbol number)"},{"label":"Standards context","value":"IEEE/ANSI 315-1975 covers diagram graphics. IEEE lists this edition as Inactive-Reserved."},{"label":"Artwork scope","value":"Original functional illustration; exact standard glyph and compliance are not certified"}],"references":[{"sourceId":"ansi-autodesk-5cf1e8f7-6883-4c9b-9bb3-6cd1a9339ae5","relevance":"Exact public IEEE-oriented category page verifying the component name and vendor block identifier."},{"sourceId":"ieee-315","relevance":"Graphic-symbol standards context and official status; not a source of reproduced artwork."}],"related":["fuse","circuit-breaker","load-break-switch","terminal"],"artwork":"edu-ansi-fuse","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"Autodesk IEEE-oriented Fuses functional form","counterpart":"fuse","reference":"Autodesk explicitly publishes this block under IEEE Symbol Preview. The counterpart is the matching functional concept; no equivalence of every detailed standard graphic is asserted."},"url":"https://eloragrid.ai/symbols/ansi-fuse","illustration":{"url":"https://eloragrid.ai/library/illustrations/ansi-fuse.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"ansi-autodesk-5cf1e8f7-6883-4c9b-9bb3-6cd1a9339ae5","title":"Autodesk IEEE Symbol Preview — Fuses","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-5CF1E8F7-6883-4C9B-9BB3-6CD1A9339AE5.htm","type":"cad-reference","scope":"Verified public IEEE-oriented vendor catalogue. Block names identify vendor symbols, not IEEE standard symbol numbers. Linked only; graphics and CAD files are not redistributed. IEEE/ANSI 315-1975 is a historical graphics reference with Inactive-Reserved status; this page does not certify current standards compliance.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Exact public IEEE-oriented category page verifying the component name and vendor block identifier."},{"id":"ieee-315","title":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","publisher":"IEEE Standards Association","url":"https://standards.ieee.org/ieee/315/515/","type":"standard","scope":"Graphic symbols and designation letters. IEEE lists this edition as Inactive-Reserved; it is a historical reference, not a claim of current compliance.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Graphic-symbol standards context and official status; not a source of reproduced artwork."}]}