# Single-phase synchronous motor

Canonical URL: https://eloragrid.ai/symbols/iec-single-phase-synchronous-motor
Publisher: Elora Grid
Updated: 2026-10-14
Lookup label: HMO1M16
Drawing use: SLD, Schematic
Reference families: IEC, Manufacturer

## Symbol convention

Convention: IEC
Form: Single-phase synchronous motor
Autodesk IEC-60617 Symbol Preview — Single-phase motor forms; vendor family reference, not certified IEC geometry or database identifier.

This representation identifies a single-phase synchronous machine function.

## 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.

## Important distinction

Synchronous operation differs from induction-motor operating slip.

## Facts

- Reference scope: Specific public IEC-context family form
- Publisher reference token: HMO1M16 (Autodesk token; not a verified IEC database ID)
- Information added: State the supply, starting and any excitation interface required by the actual motor.
- Preview: Independent educational concept; consult the publisher and applicable standard for the exact graphic

## Public references

- [AutoCAD Electrical: Single-phase motors](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-F82048DA-0D71-4720-B9F7-3E64B7500E76.htm) — Autodesk. Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content.

## Graphic scope

Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.