{"schemaVersion":1,"slug":"iec-key-controlled-two-way-latching-device","name":"Key-controlled two-way latching device","kind":"symbol","abbreviation":"Q1029603","aliases":["Key-controlled two-way latching device symbol","Q1029603","Key-controlled two-way latching device IEC reference"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This form identifies a two-way latch using a documented key operation.","description":["This form identifies a two-way latch using a documented key operation. A key controls the movement or release of the two-way latching arrangement. Its role is mechanical access/operation, while the associated electrical circuit retains its own contact logic.","Keep key identifiers and device tags consistent with the interlocking schedule. A single keyed-latch graphic cannot describe all exchanges in a multi-key sequence."],"readingNotes":["Cross-reference the key arrangement and retained mechanism positions.","A keyed latch does not establish a complete trapped-key sequence by itself."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Cross-reference the key arrangement and retained mechanism positions.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"A keyed latch does not establish a complete trapped-key sequence by itself.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q1029603 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Cross-reference the key arrangement and retained mechanism positions."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-latch","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["relay-coil","normally-open-contact"],"artwork":"edu-iec-key-controlled-two-way-latching-device","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Key-controlled two-way latching device","reference":"Autodesk IEC-60617 Symbol Preview — Latching-device qualifiers; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-key-controlled-two-way-latching-device","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-key-controlled-two-way-latching-device.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-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":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}