IEC 60127的本部分涉及印刷电路和其他基板系统的通用模块化熔断器（UMF），用于保护通常用于室内的电器、电子设备及其零部件。它不适用于在特殊条件下使用的电器的熔断器，例如在腐蚀性或爆炸性环境中使用的电器。除IEC 60127-1的要求外，本标准也适用。

This part of IEC 60127 relates to universal modular fuse-links (UMF) for printed circuits and other substrate systems, used for the protection of electric appliances, electronic equipment, and component parts thereof, normally intended to be used indoors. It does not apply to fuse-links for appliances intended to be used under special conditions, such as in a corrosive or explosive atmosphere. This standard applies in addition to the requirements of IEC 60127-1.