{"schemaVersion":1,"slug":"temperature-switch-no","name":"Temperature switch NO","kind":"symbol","abbreviation":"TS NO","aliases":["HTS11","VTS11"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A temperature-operated NO switch changes from open to closed under its specified actuation condition.","description":["A temperature-operated NO switch changes from open to closed under its specified actuation condition. The drawing must identify the sensed location and temperature direction."],"readingNotes":["Do not assume a normally-open contact always means rising-temperature alarm.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Name sensed location","State operating temperature and direction","Reference reset behaviour"],"distinction":"A temperature switch provides a discrete contact state; an RTD provides a resistance measurement.","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":"HTS11, VTS11 (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-no","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/temperature-switch-no","illustration":{"url":"https://eloragrid.ai/library/illustrations/temperature-switch-no.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."}]}