This standard specifies the basic dimension series of panels, racks and cabinets with a height system of 44.45mm. This standard applies to products such as ground, vehicle-mounted, and ship-borne electronic equipment and nuclear electronic instruments.
GB/T 3047.2-1992 history
1995GB/T 3047.1-1995 Series of basic dimensions of panels, rack and cabinets for vertical increment of 20mm
1982GB 3047.1-1982 Series of basic dimensions of panels,racks and enclosures