Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

M 3PH SYNC

IEEE / ANSI

ANSI/IEEE Three-phase synchronous motor form

This reference locates three-phase synchronous motor in Autodesk's IEEE-oriented 3 phase motors family. A synchronous motor operates with a documented synchronous relationship to the electrical supply. Its excitation arrangement and starting/control system require device-specific information. The public library uses HMO1M17 for its horizontal representation; this is a vendor block name, not an IEEE standards symbol number.

Drawing use

SLD / Schematic

Application

Power distribution

Reference family

IEEE / ANSI / Manufacturer

Form evidence

3 Phase Synchronous AC Motor. Autodesk IEEE Symbol Preview: 3 Phase Motors, block HMO1M17. Matching functional counterpart linked separately. Independently drawn educational geometry; not a certified IEEE glyph or database identifier.

A distinction that matters

Synchronous operation is different from an induction motor's operating principle.

Full referenceAdd to legend

M 3PH SYNC

Symbols

Three-phase synchronous motor

A synchronous motor operates with a documented synchronous relationship to the electrical supply. Its excitation arrangement and starting/control system require device-specific information.

Drawing use

SLD / Schematic

Application

Power distribution

Reference family

IEC / Manufacturer

A distinction that matters

Synchronous operation is different from an induction motor's operating principle.

Full referenceAdd to legend

Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.