British Standards Document
BS EN 60617-7
Graphical symbols for diagrams. Switchgear, controlgear and protective devices
https://doi.org/10.3403/00907652U
BS EN 60617-7 is maintained by GEL/3. The current release of this standard is:
BS EN 60617-7:1996 Graphical symbols for diagrams. Switchgear, controlgear and protective devices
https://doi.org/10.3403/00907652 (published 15/12/1996)
This standard is available from the following sources:
Other historical versions of this standard document also exist: