{"schemaVersion":1,"slug":"iec-two-way-latching-device","name":"Two-way latching device","kind":"symbol","abbreviation":"Q1020603","aliases":["Two-way latching device symbol","Q1020603","Two-way latching device IEC reference"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This form identifies the publisher's two-way latching-device arrangement.","description":["This form identifies the publisher's two-way latching-device arrangement. A two-way latch represents retention associated with more than one movement or position relationship. The electrical contacts operated by that mechanism can still have their own independent state table.","Document the positions that are retained and how the mechanism changes between them. Device tagging connects the latch representation to the operated contacts or actuator."],"readingNotes":["Document the positions retained by the latch and the changeover action.","Two-way retention does not imply a two-way electrical contact arrangement."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Document the positions retained by the latch and the changeover action.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"Two-way retention does not imply a two-way electrical contact arrangement.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q1020603 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Document the positions retained by the latch and the changeover action."},{"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-two-way-latching-device","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"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-two-way-latching-device","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-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."}]}