{"schemaVersion":1,"slug":"four-position-maintained-selector","name":"Four-position maintained selector","kind":"symbol","abbreviation":"SEL 4 HOLD","aliases":["HSS114","VSS114"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A four-position maintained selector provides four stable operating choices.","description":["A four-position maintained selector provides four stable operating choices. Each contact's state across those choices is recorded in a schedule instead of trying to express the complete logic in one contact outline."],"readingNotes":["Verify the sequence and order of all four positions.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Name four positions","Provide switching table","Identify common operator tag"],"distinction":"Four positions do not imply four independent contact poles.","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":"HSS114, VSS114 (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-maintained-selector","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/four-position-maintained-selector","illustration":{"url":"https://eloragrid.ai/library/illustrations/four-position-maintained-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."}]}