Symbol 5221 from IEC 60417 - Title/Meaning: Isolating transformer, general <br><p>Function/description: To identify a transformer of the isolation type.<br>
Additional information: <br></p>
<ul><li>To indicate a fail-safe function, the letter F may be used adjacent of the graphical symbol.</li>
<li>See also symbols 5156, 5944 and 5945</li>
<li>Published in: IEC 60417 database;3C/943/FDIS</li></ul>
<b>Vectorization: </b> <a href="//commons.wikimedia.org/wiki/User:Mrmw" title="User:Mrmw">Mrmw</a>
2002-10-07
Own work  using: <span class="url"><a rel="nofollow" class="external text" href="https://www.iso.org/obp/graphics/grs/3d3da6c7-45d4-4f7e-92e6-da04242f97a6_200.png">iso.org/obp/graphics/grs/3d3da6c7-45d4-4f7e-92e6-da04242f97a6 200.png</a></span>