{"schemaVersion":1,"slug":"fuse-switch","name":"Fuse-switch","kind":"symbol","abbreviation":"FUSE SW","aliases":["HFU1FS","VFU1FS"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A fuse-switch uses a fuse-link or fuse carrier as part of its moving switching contact system.","description":["A fuse-switch uses a fuse-link or fuse carrier as part of its moving switching contact system. The equipment designation must identify the actual assembly rather than treating every fused switch as mechanically identical."],"readingNotes":["Read the manufacturer's construction and operating instructions to establish the switching mechanism.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Identify assembly type","Name compatible fuse links","Show operating handle reference"],"distinction":"Fuse-switch describes the moving contact construction; a fused switch is a broader functional description.","facts":[{"label":"Drawing role","value":"Fused circuit"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HFU1FS, VFU1FS (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":"pub-symbol-fuse-switches","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"sourceId":"switching-devices","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["fuse","load-break-switch"],"artwork":"edu-fuse-switch","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/fuse-switch","illustration":{"url":"https://eloragrid.ai/library/illustrations/fuse-switch.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-fuse-switches","title":"AutoCAD Electrical: Fuse switches","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-D9CE1F87-4B4C-40C7-9C9E-0136BD2A199C.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":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"id":"switching-devices","title":"Elementary switching devices","publisher":"Schneider Electric — Electrical Installation Guide","url":"https://www.electrical-installation.org/enwiki/Elementary_switching_devices","type":"manufacturer","scope":"Explains disconnectors, load-break switches, contactors and fuses. The manufacturer diagrams remain at the source.","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."}]}