{"schemaVersion":1,"slug":"disconnector-auxiliary-nc-contact","name":"Disconnector auxiliary NC contact","kind":"symbol","abbreviation":"DS AUX NC","aliases":["HDS22AUX","VDS22AUX"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A normally-closed disconnector auxiliary contact is closed in the documented unactuated reference state.","description":["A normally-closed disconnector auxiliary contact is closed in the documented unactuated reference state. It can be used in indication or interlocking circuits while remaining separate from the main power path."],"readingNotes":["Confirm whether the legend defines normal state as open, closed or an explicitly stated mechanism position.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Document reference state","Identify contact rating","Cross-reference main disconnector"],"distinction":"Normally closed describes a contact state, not the normal operating status of the feeder.","facts":[{"label":"Drawing role","value":"Switching path"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HDS22AUX, VDS22AUX (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-additional-breaker-poles","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."},{"sourceId":"pub-symbol-fused-disconnects","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["disconnector","circuit-breaker"],"artwork":"edu-disconnector-auxiliary-nc-contact","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/disconnector-auxiliary-nc-contact","illustration":{"url":"https://eloragrid.ai/library/illustrations/disconnector-auxiliary-nc-contact.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-additional-breaker-poles","title":"AutoCAD Electrical: Additional circuit-breaker poles","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-8B9070E1-A978-429D-A552-27BEFAE1C60E.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":"pub-symbol-fused-disconnects","title":"AutoCAD Electrical: Fusible disconnects","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-FE7E6B30-F585-41F4-9F66-215ACD95A36D.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."}]}