Transformer symbol
Also called Two-winding transformer, Control transformer
A transformer transfers power between two windings by magnetic coupling, stepping the voltage up or down.
What the transformer symbol means
A transformer transfers power between two windings by magnetic coupling, stepping the voltage up or down.
ANSI and IEC symbols
Two coils facing each other. Two straight lines between them show an iron core.
ANSI SVGWhere you see it
Control transformers in panels, power supplies, isolation and instrument transformers.
What is written next to it
On a schematic, the transformer usually carries its designator, rated power and voltages, such as T1 250 VA 400/24 V.
Related symbols
Frequently asked questions
What does the transformer symbol look like?
On ANSI drawings: Two coils facing each other. Two straight lines between them show an iron core. In IEC 60617: Two overlapping circles. The coil form is also allowed in IEC 60617.
Is the transformer symbol the same in IEC and ANSI?
No. Two overlapping circles. The coil form is also allowed in IEC 60617. The IEC 60617 number is S00841.
Where is a transformer used?
Control transformers in panels, power supplies, isolation and instrument transformers.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016