This standard applies to the quality classification of KW4 type micro switches. This standard only gives key performance indicators and is not a complete standard. It must be used together with GB 9536 and its corresponding sub-specifications and blank detailed specifications, SJ 1515 and SJ 1519.
SJ/T 9561.9-1993 history
1993SJ/T 9561.9-1993 KW4 sensitive switch--Quality grading standard