This specification specifies the technical requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of vacuum switch tubes for contactors. This specification applies to switching tubes for vacuum contactors with AC 50Hz (or 60Hz) and rated operating voltage up to 10kV. This specification is the basis for formulating detailed specifications, which are specific elaborations and supplements to the general specifications.
SJ/T 10575-1994 history
1970SJ/T 10575-1994 General specifications for vacuum switch tubes for contactors