# Three-phase motor

Canonical URL: https://eloragrid.ai/symbols/motor
Publisher: Elora Grid
Updated: 2026-10-13
Lookup label: M
Drawing use: SLD, Schematic
Reference families: IEC, IEEE / ANSI

An electrical motor load connected to its switching and protective equipment.

## What it represents

A motor representation identifies an electrical machine operating as a load in the stated system arrangement. Connection count, motor type and additional winding or rotor detail can change the representation. Its nameplate and equipment schedule provide the selected machine data.
The SLD places the motor and its feeder equipment. A schematic shows the controller, coil supply, protection interfaces and auxiliary functions. A simple circle and motor label do not establish a complete motor-starting or protective arrangement.

## How to read it

- Follow the feeder back to its switching and protective devices.
- Read the documented motor connection and starting arrangement.

## Information to show or reference

- Reference motor rating and connection data.
- Identify the starter or control arrangement.
- Cross-reference auxiliary and protection circuits.

## Important distinction

A contactor switches the motor circuit. Motor protection and short-circuit interruption may be provided by additional specified equipment.

## Facts

- Representation: Electrical machine load
- Connection detail: Motor-specific
- Feeder equipment: Separate switching and protection
- Public Autodesk reference names: HMO13, VMO13 (vendor identifiers, not IEC symbol IDs)

## Public references

- [Three-phase motor symbol variants](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-385CBE83-33A3-4314-913E-3B59A6D05F22.htm) — Autodesk. Public three-phase motor variants.
- [Elementary switching devices](https://www.electrical-installation.org/enwiki/Elementary_switching_devices) — Schneider Electric — Electrical Installation Guide. Manufacturer description of contactor and protective roles.

## 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.