What is BS EN 61666 about?
BS EN 61666 establishes general principles and gives specifications like terminal designation and classification of terminals, for the identification of terminals of objects within an industrial system.
BS EN 61666 is applicable to all technical areas like mechanical engineering, electrical engineering, construction engineering, and process engineering.
Note 1: Requirements for marking of terminal designations on products are not part of BS EN 61666 .
Who is BS EN 61666 for?
BS EN 61666 on identification of terminals within an industrial system is for:
Terminal block manufacturers
BS EN 61666:2010+A1:2021 history
2021BS EN 61666:2010+A1:2021 Industrial systems, installations and equipment and industrial products. Identification of terminals within a system
2010BS EN 61666:2010 Industrial systems, installations and equipment and industrial products. Identification of terminals within a system
1997BS EN 61666:1997 Identification of terminals within a system