{"schemaVersion":1,"slug":"three-position-centre-return-selector","name":"Three-position centre-return selector","kind":"symbol","abbreviation":"SEL 3 CRET","aliases":["HSS113B","VSS113B"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A centre-return selector returns from both outer positions to its documented central rest position.","description":["A centre-return selector returns from both outer positions to its documented central rest position. It can issue opposite momentary commands without retaining either outer position."],"readingNotes":["The centre rest position still needs a defined contact state.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Name centre condition","Identify both momentary commands","State contact schedule"],"distinction":"Centre return describes the mechanism; centre off describes a contact condition.","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":"HSS113B, VSS113B (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-three","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-three-position-centre-return-selector","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/three-position-centre-return-selector","illustration":{"url":"https://eloragrid.ai/library/illustrations/three-position-centre-return-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-three","title":"AutoCAD Electrical: Three-position selectors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-D8675B9D-9CBF-4B7F-8F09-2444779614D0.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."}]}