{"schemaVersion":1,"slug":"late-break-normally-closed-contact","name":"Late-break normally-closed contact","kind":"symbol","abbreviation":"NC LATE","aliases":["HCR228F","VCR228F"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A late-break NC contact opens later in the documented operating sequence than specified associated contacts.","description":["A late-break NC contact opens later in the documented operating sequence than specified associated contacts. The function requires a common-device reference and a sequence description."],"readingNotes":["Trace the retained circuit path while other contacts have already changed state.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Identify linked contacts","State late-opening order","Reference device sequence"],"distinction":"A late-break contact and an off-delay contact achieve delay by different mechanisms.","facts":[{"label":"Drawing role","value":"Contact state"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HCR228F, VCR228F (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":"autodesk-contacts","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["normally-open-contact","normally-closed-contact"],"artwork":"edu-late-break-normally-closed-contact","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/late-break-normally-closed-contact","illustration":{"url":"https://eloragrid.ai/library/illustrations/late-break-normally-closed-contact.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"autodesk-contacts","title":"Relays and contacts: public symbol reference","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-011C62B8-9EC8-485C-B47D-B22A3F7B7574.htm","type":"cad-reference","scope":"Normally open, normally closed and changeover contacts, relay coils and latching relay variants.","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."}]}