{"schemaVersion":1,"slug":"ansi-single-phase-motor-with-fan","name":"ANSI/IEEE Single-phase motor with fan form","kind":"symbol","abbreviation":"M 1PH FAN","aliases":["HMO1M3M","VMO1M3M","IEEE 1 Phase Motor with Fan","ANSI Single-phase motor with fan"],"category":"power-distribution","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEEE / ANSI","Manufacturer"],"summary":"IEEE-library form of single-phase motor with fan: a single-phase motor with an associated fan identifies the driven function as well as the electrical load.","description":["This reference locates single-phase motor with fan in Autodesk's IEEE-oriented 1 phase motors family. A single-phase motor with an associated fan identifies the driven function as well as the electrical load. Its schematic supply is separate from the airflow or installation detail. The public library uses HMO1M3M for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.","Trace each winding, supply and accessible neutral through the complete machine or transformer connection diagram. Keep the phase arrangement, terminal labels and any clock notation attached to the device; neither the convention label nor this educational outline supplies its ratings.","Link the motor tag to the cabinet or auxiliary fan shown on the layout. A fan annotation identifies driven equipment, not a new electrical phase system. The linked functional counterpart explains the same operating role in its own drawing context; agreement of every detailed convention mark is not asserted."],"readingNotes":["Link the motor tag to the cabinet or auxiliary fan shown on the layout.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["Name fan/motor tag","State electrical rating","Reference airflow and installation data"],"distinction":"A fan annotation identifies driven equipment, not a new electrical phase system.","facts":[{"label":"Convention evidence","value":"Autodesk IEEE Symbol Preview: 1 Phase Motors; published form: 1 Phase Motor with Fan."},{"label":"Public vendor block","value":"HMO1M3M. Vendor library token, not an IEEE symbol number."},{"label":"Drawing role","value":"Rotating or linear load"},{"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."},{"label":"Artwork scope","value":"Original educational geometry. Exact standard graphics, product ratings and terminal pinouts are not certified."}],"references":[{"sourceId":"ansi-autodesk-b12ef00e-cbdf-4043-9264-8f7d07e107d6","relevance":"Public IEEE-oriented 1 Phase Motors table explicitly lists HMO1M3M as 1 Phase Motor with Fan. This supports the vendor convention context, not reproduction of the publisher graphic."}],"related":["single-phase-motor-with-fan","motor","contactor"],"artwork":"s28-ansi-single-phase-motor-with-fan","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"1 Phase Motor with Fan","reference":"Autodesk IEEE Symbol Preview: 1 Phase Motors, block HMO1M3M. Matching functional counterpart linked separately. Independently drawn educational geometry; not a certified IEEE glyph or database identifier.","counterpart":"single-phase-motor-with-fan"},"plainEnglish":{"title":"What does ANSI/IEEE Single-phase motor with fan form mean?","introduction":"This reference locates single-phase motor with fan in Autodesk's IEEE-oriented 1 phase motors family. A single-phase motor with an associated fan identifies the driven function as well as the electrical load. Its schematic supply is separate from the airflow or installation detail. The public library uses HMO1M3M for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.","example":"Trace each winding, supply and accessible neutral through the complete machine or transformer connection diagram. Keep the phase arrangement, terminal labels and any clock notation attached to the device; neither the convention label nor this educational outline supplies its ratings.","drawings":"Link the motor tag to the cabinet or auxiliary fan shown on the layout. A fan annotation identifies driven equipment, not a new electrical phase system. The linked functional counterpart explains the same operating role in its own drawing context; agreement of every detailed convention mark is not asserted.","terms":[{"name":"Winding","meaning":"A coil of conductor inside an electrical machine or transformer."},{"name":"Phase","meaning":"One of the related AC waveforms in a power system."},{"name":"Terminal","meaning":"An identified point where a conductor connects."}],"diagram":"flow","steps":["Identify the device and form","Read the connections and state","Check the equipment reference"],"caption":"A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram.","sources":[{"label":"Autodesk IEEE Symbol Preview — 1 Phase Motors","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-B12EF00E-CBDF-4043-9264-8F7D07E107D6.htm"}],"detail":"IEEE-library form of single-phase motor with fan: a single-phase motor with an associated fan identifies the driven function as well as the electrical load. A fan annotation identifies driven equipment, not a new electrical phase system.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/ansi-single-phase-motor-with-fan","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/ansi-single-phase-motor-with-fan.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"ansi-autodesk-b12ef00e-cbdf-4043-9264-8f7d07e107d6","title":"Autodesk IEEE Symbol Preview — 1 Phase Motors","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-B12EF00E-CBDF-4043-9264-8F7D07E107D6.htm","type":"cad-reference","scope":"Verified public IEEE-oriented vendor catalogue. Block names identify vendor symbols, not IEEE standard symbol numbers. Linked only; graphics and CAD files are not redistributed. IEEE/ANSI 315-1975 is a historical graphics reference with Inactive-Reserved status; this page does not certify current standards compliance.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public IEEE-oriented 1 Phase Motors table explicitly lists HMO1M3M as 1 Phase Motor with Fan. This supports the vendor convention context, not reproduction of the publisher graphic."}]}