GB/T 7268-2015 Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system (English Version)
This standard specifies the basic size series of subracks and plug-in panels for power system protection and automation devices. This standard applies to power system relay protection, safety automatic devices and their interface equipment. Including 20 mm base and 19 in two specifications.
GB/T 7268-2015 Referenced Document
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 1800.1-2009 Gemetrical Product Specifications(GPS).Limits and fits.Part 1:Bases of tolerances,deviations and fits
GB/T 3047.1-1995 Series of basic dimensions of panels, rack and cabinets for vertical increment of 20mm
GB/T 8582-2008 Terminology for mechanical structures of electrotechnical and electronic equipment
GB/T 7268-2015 history
2015GB/T 7268-2015 Series of basic dimensions of subracks and associated plug-in units panels for protection and automation equipment of power system
2005GB/T 7268-2005 Series of basic dimensions of subracks and associated panels of plug-in for control and protection equipment of secondary circuit of power system
1987GB/T 7268-1987 Series of basic dimensions of subracks and associated panels of plug-in units for control and protective equipment of secondary circuit of power system