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 1PH AC

Symbols

Single-phase AC motor

A single-phase AC motor represents a load supplied from a documented single-phase source. Its actual winding, starting component and terminal arrangement require the selected motor connection diagram.

Drawing use

SLD / Schematic

Application

Power distribution

Reference family

IEC / Manufacturer

A distinction that matters

Single-phase supply and the motor's starting method are different drawing attributes.

Full referenceAdd to legend

M

Symbols

Three-phase motor

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.

Drawing use

SLD / Schematic

Application

Power distribution

Reference family

IEC / IEEE / ANSI

A distinction that matters

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

Full referenceAdd to legend

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