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Three-phase motor
An electrical motor load connected to its switching and protective equipment.
SLD / Schematic
IEC · Q060204
Three-phase T winding connection
A T winding qualifier identifies the publisher's three-phase T connection form.
IEC · Three-phase T winding connection
Autodesk IEC-60617 Symbol Preview — Winding connection and supply-character qualifiers; 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 · Q060204
What it represents
A T winding qualifier identifies the publisher's three-phase T connection form.
State the winding relationships and terminals in the equipment documentation.
The T-form indication does not establish a complete transformer ratio or vector group.
How to read it
- State the winding relationships and terminals in the equipment documentation.
- The T-form indication does not establish a complete transformer ratio or vector group.
Information to show or reference
- Identify the associated device, circuit or diagram boundary.
- State the winding relationships and terminals in the equipment documentation.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.
A distinction that matters
The T-form indication does not establish a complete transformer ratio or vector group.
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: Winding arrangements and AC/DC indications
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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