标准号:IS 4794 Pt.1-1968
发布日期:1968/12/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard ( Part I ) relates to push-button switches having a rated voltage not exceeding 500 V dc or ac and rated current not exceeding 25 A for use in electronic and telecommunication equipment.1.2 This standard does not cover electromagnetically operated switches.