This standard specifies particular requirements for subminiature fuse-links suitable for printed circuits and intended to protect electrical installations, electronic equipment and components thereof for indoor use. This standard does not apply to subminiature fuse-links for electrical installations used under special conditions such as corrosive and flammable atmospheres. Note: It is recommended that electrical and electronic circuit designers and printed circuit board manufacturers provide a 10mm cubic space for various subminiature fuse-links. This standard also adopts the requirements of GB9364.1.