What is BS EN 60127-3‒ Sub-miniature fuse links about?
BS EN 60127-3 is the third part of an international multi-series standard that covers guidelines for miniature fuses.
BS EN 60127-3 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.
BS EN 60127-3 gives technical specifications like related terms and definitions, general requirements, standard ratings, markings, general notes on tests, dimensions, construction, electrical requirements, as well as standard sheets for sub-miniature fuse-links.
Note 1: BS EN 60127-3 does not apply to miniature fuse-links for appliances intended to be used under special conditions, such as in corrosive or explosive atmospheres.
Note 2: The object of BS EN 60127-3 is to define special and additional test methods for sub-miniature fuse-links applying in addition to the requirements of IEC 60127-1.
Who is BS EN 60127-3‒ Sub-miniature fuse-links for?
BS EN 60127-7 on Sub-miniature fuse-links is useful for:
- Manufacturers and suppliers of miniature fuses
- Dealers and distributors of miniature fuses
- Designers of miniature fuses
- Test/ service providers for miniature fuses
Why should you use BS EN 60127-3‒ Sub-miniature fuse-links?
Miniature fuses are tiny instruments that are relatively small in physical size but have a wide range of diverse applications. As these switches play a key role in the safety of several instruments, it’s essential to perform the quality assessment of miniature fuses, periodically.
BS EN 60127-3 provides you with effective methods for checking the quality and efficiency of sub-miniature fuse-links that are used in various applications. It establishes guidelines for test methods that help users to verify the values and performance aspects, serving the purpose of quality control of the sub-miniature fuse links according to the requirements from the global standards.
The users of BS EN 60127-3 also get recommendations as well as information for documents relating to sub-miniature fuses so that, they have the same publication number in order to facilitate reference to fuses in other specifications such as equipment specifications, etc.

