British Standards Document
BS EN 61000-4-11
Electromagnetic compatibility (EMC). Testing and measurement techniques. Voltage dips, short interruptions and voltage variations immunity tests

https://doi.org/10.3403/30326093U

BS EN 61000-4-11 is maintained by GEL/210. The current release of this standard is:

BS EN 61000-4-11:2004+A1:2017 Electromagnetic compatibility (EMC). Testing and measurement techniques. Voltage dips, short interruptions and voltage variations immunity tests

https://doi.org/10.3403/30326093 (published 26/10/2004)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 61000-4-11:2004 [current until 08/02/2018]
BS EN 61000-4-11:1994 [current until 26/10/2004]