{"schemaVersion":1,"slug":"temperature-switch-nc","name":"Temperature switch NC","kind":"symbol","abbreviation":"TS NC","aliases":["HTS12","VTS12"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A temperature-operated NC switch opens under a documented thermal condition.","description":["A temperature-operated NC switch opens under a documented thermal condition. Schematics for heaters, fans and equipment trips need the operating threshold and reference state."],"readingNotes":["Identify automatic reset or manual reset where the product specifies it.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Name protected equipment","Record threshold and reset type","Show contact terminal pair"],"distinction":"NC describes contact state independently of the thermal trip function.","facts":[{"label":"Drawing role","value":"Actuated indication"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HTS12, VTS12 (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-pressure-temperature","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["plc-io","normally-open-contact"],"artwork":"edu-temperature-switch-nc","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/temperature-switch-nc","illustration":{"url":"https://eloragrid.ai/library/illustrations/temperature-switch-nc.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-pressure-temperature","title":"AutoCAD Electrical: Pressure and temperature switches","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-46061E42-55B7-4804-8D50-C31DF292F01D.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."}]}