Establishes a uniform quality assessment system and provides consistency in sectional specifications for electromechanical switches by specifying the symbols, terminology, test methods and other necessary information. Covers switches which: have a maximum rated voltage of 500 V; are meant for uses such as in electronic equipment; have a maximum rated current of 63 A; are devices which close, open, or change the connection of a circuit by the mechanical motion of conducting parts (contacts). Does not include keypads and keyboards which are meant to be used in information-handling systems. Coverage may include electromechanical switches. Also includes diagrams.

BS EN 61020-1 : 2009