M
Three-phase motor
An electrical motor load connected to its switching and protective equipment.
SLD / Schematic
IEC · HMO1M16
Single-phase synchronous motor
This representation identifies a single-phase synchronous machine function.
IEC · Single-phase synchronous motor
Autodesk IEC-60617 Symbol Preview — Single-phase motor forms; vendor family reference, not certified IEC geometry or database identifier.
Shown as an independently authored educational illustration. Use the cited publication and drawing legend to verify the required drafting form.
SLD / Schematic · HMO1M16
What it represents
This representation identifies a single-phase synchronous machine function.
State the supply, starting and any excitation interface required by the actual motor.
Synchronous operation differs from induction-motor operating slip.
How to read it
- State the supply, starting and any excitation interface required by the actual motor.
- Synchronous operation differs from induction-motor operating slip.
Information to show or reference
- Identify the associated device, circuit or diagram boundary.
- State the supply, starting and any excitation interface required by the actual motor.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.
A distinction that matters
Synchronous operation differs from induction-motor operating slip.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
AutoCAD Electrical: Single-phase motors
Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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