{"schemaVersion":1,"slug":"iec-shunt-excited-dc-motor","name":"Shunt-excited DC motor","kind":"symbol","abbreviation":"HMO1M8","aliases":["Shunt-excited DC motor symbol","HMO1M8","Shunt-excited DC motor IEC reference"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This representation distinguishes the publisher's derived or shunt-excitation DC motor form.","description":["This representation distinguishes the publisher's derived or shunt-excitation DC motor form.","Document the field connection separately from the armature circuit.","Shunt, series and separately supplied field arrangements are different connection topologies."],"readingNotes":["Document the field connection separately from the armature circuit.","Shunt, series and separately supplied field arrangements are different connection topologies."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","Document the field connection separately from the armature circuit.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"Shunt, series and separately supplied field arrangements are different connection topologies.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"HMO1M8 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"Document the field connection separately from the armature circuit."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"pub-symbol-dc-motors","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["motor","generator"],"artwork":"edu-iec-shunt-excited-dc-motor","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Shunt-excited DC motor","reference":"Autodesk IEC-60617 Symbol Preview — DC, linear and stepping motor forms; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-shunt-excited-dc-motor","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-shunt-excited-dc-motor.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-dc-motors","title":"AutoCAD Electrical: DC motors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F5F3061F-E0DE-4A9A-BE88-C017545A9A36.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":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}