{"schemaVersion":1,"slug":"iec-mechanical-stop-latch-in-neutral-state","name":"Mechanical stop latch in neutral state","kind":"symbol","abbreviation":"Q021209","aliases":["Mechanical stop latch in neutral state symbol","Q021209","Mechanical stop latch in neutral state IEC reference","Q021213"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This form identifies the neutral state of the represented stop-latch mechanism.","description":["This form identifies the neutral state of the represented stop-latch mechanism. Neutral describes the represented retaining mechanism, not every electrical contact belonging to the assembly. A state table provides the relationship between latch condition and contact states.","Identify the associated mechanism and define the neutral condition in its operating sequence. Use separate contact and position references when those interfaces appear elsewhere in the schematic."],"readingNotes":["Keep neutral and engaged states explicit in state or sequence documentation.","Neutral is a mechanism state, not an assertion that every contact is open."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Keep neutral and engaged states explicit in state or sequence documentation.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"Neutral is a mechanism state, not an assertion that every contact is open.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q021209, Q021213 (Autodesk tokens; not verified IEC database IDs)"},{"label":"Information added","value":"Keep neutral and engaged states explicit in state or sequence documentation."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-mechanical","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."},{"sourceId":"iec-public-latch","relevance":"Public alternate engaged/neutral latching-device tokens are consolidated with the matching mechanical state concept."}],"related":["relay-coil","normally-open-contact"],"artwork":"edu-iec-mechanical-stop-latch-in-neutral-state","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Mechanical stop latch in neutral state","reference":"Autodesk IEC-60617 Symbol Preview — Mechanical return and interlock qualifiers; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-mechanical-stop-latch-in-neutral-state","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-mechanical-stop-latch-in-neutral-state.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-public-mechanical","title":"Autodesk IEC-60617 preview: Mechanical return and interlock qualifiers","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-084BF99C-FD3E-4ECF-A86B-608EF93DF6E5.htm","type":"cad-reference","scope":"Public publisher IEC-context family names and vendor block references. No vendor images or CAD library files are reproduced, and vendor tokens are not presented as verified IEC database identifiers.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."},{"id":"iec-public-latch","title":"Autodesk IEC-60617 preview: Latching-device qualifiers","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-9FC7824E-1A3B-4B47-B157-590CB8AE62FC.htm","type":"cad-reference","scope":"Public publisher IEC-context family names and vendor block references. No vendor images or CAD library files are reproduced, and vendor tokens are not presented as verified IEC database identifiers.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public alternate engaged/neutral latching-device tokens are consolidated with the matching mechanical state concept."}]}