This part of IEC 60127 is applicable to sub-miniature fuse-links adapted to printed circuits and used for the protection of electric appliances, electronic equipment and component parts thereof, normally intended to be used indoors.
The new normative Annex A, which deals with the topic sub-miniature fuse-links according to standard sheet 3 and 4 with optional d.c. ratings, has been added. The purpose of this annex is to determine additional test methods for sub-miniature fuse-links according to standard sheet 3 and 4 with optional d.c. ratings.