{"schemaVersion":1,"slug":"four-position-key-selector","name":"Four-position key selector","kind":"symbol","abbreviation":"KEY SEL 4","aliases":["HSS11S46","VSS11S46"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A four-position key selector provides key-controlled selection among four documented positions.","description":["A four-position key selector provides key-controlled selection among four documented positions. The schematic and operator schedule should agree on position numbering and permitted key removal."],"readingNotes":["Check the contact table against the front-panel legend.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Define position order","State key removal","Reference contact terminals"],"distinction":"A keyed four-position operator is different from four separately keyed switches.","facts":[{"label":"Drawing role","value":"Position selection"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HSS11S46, VSS11S46 (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-selector-four","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["selector-switch","changeover-contact"],"artwork":"edu-four-position-key-selector","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/four-position-key-selector","illustration":{"url":"https://eloragrid.ai/library/illustrations/four-position-key-selector.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-selector-four","title":"AutoCAD Electrical: Four-position selectors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-09243080-0BE8-4401-8E79-11156DF1CDDF.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."}]}