CT
Current transformer
A current-measurement transformer used with metering and protection equipment.
SLD / Schematic
Symbols · CT 2SEC
Current transformer with two secondaries
A CT with two secondary windings supplies two documented secondary circuits.
SLD / Schematic · CT 2SEC
What it represents
A CT with two secondary windings supplies two documented secondary circuits. A common magnetic circuit must not be mistaken for independent protection cores.
How to read it
- Identify which winding supplies each instrument or relay and how the manufacturer rates their combined loading.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.
Information to show or reference
- Name both windings
- Record ratios and burdens
- Draw each secondary terminal pair
A distinction that matters
Two secondaries on a common magnetic circuit are different from separate CT cores.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Current transformer symbol variants
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
Indoor current and voltage transformers
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
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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