Prescribes preferred ratings and characteristics, general performance requirements, and selects the appropriate quality assessment procedures and test methods from IEC 1020-1 for switches with a rated voltage not exceeding 300 V and a rated current not e
IEC 61020-4:1991 history
1991IEC 61020-4:1991 Electromechanical switches for use in electronic equipment; part 4: sectional specification for lever (toggle) switches
IEC 61020-4:1991 Electromechanical switches for use in electronic equipment; part 4: sectional specification for lever (toggle) switches was changed to IEC 61020-1:2009 Electromechanical switches for use in electrical and electronic equipment - Part 1: Generic specification.