Symbol 6297 from IEC 60417 - Title/Meaning: Residual current sensitive device (RCD), type B symbol element Function/description: To indicate the residual current sensitive device suitable to be triggered by direct current (d.c.).[]Enhanced graphical symbol for ""Residual current sensitive device (RCD), type B"" may be composed of the combination of this graphical symbol with IEC 60417-6149 and IEC 60417-6160.
Additional information: 
An example of the combination of this graphical symbol with IEC 60417-6149 and IEC 60417-6160 is shown below to be ""Residual current sensitive device (RCD), type B.""
See also IEC 60417-6148, IEC 60417-6149 and IEC 60417-6160.
Own work using: iso.org/obp/graphics/grs/408cb1f6-0653-47e7-854a-1c71e50d6761 200.png
Vectorization:  Mrmw