本发明涉及IEC 60127-2、60127-3和60127-4中规定的用于保护通常用于室内的电器、电子设备及其零部件的微型熔断器。 它涉及符合IEC 60127-6的微型熔断器连接用熔断器支架。 本指南的目的是向用户介绍微型熔断器和微型熔断器用熔断器座的重要特性，并提供一些应用指南。

Relates to miniature fuses for the protection of electric appliances, electronic equipment and component parts thereof, normally intended to be used indoors, as specified in IEC 60127-2, 60127-3 and 60127-4. It relates to fuse-holders for miniature fuse-links according to IEC 60127-6. The object of this guide is to introduce the user to the important properties of miniature fuse-links and fuse-holders for miniature fuses-links and to give some guidance on applying them.