标准摘要
[中文适用范围]： 本标准主要适用于 50 Hz 和 60 Hz 交流电系统上直接启动电机所使用的熔断器。注。 ??当电机与指定启动一起使用时，也可以应用本规范，但应特别注意熔断体额定电流的选择（参见第 8.1 款），并且最好咨询熔断体制造商.符合本规范的熔断体旨在承受正常使用条件和电机启动脉冲。它们应符合 IEC 出版物 282-1：高压熔断器的要求。第 1 部分：限流熔断器。 [外文原描述]： IEC 60644:2009 applies primarily to fuse-links used with motors started direct-on-line on alternating current systems of 50 Hz and 60 Hz. Standardizes time-current characteristics to formulate additional pulse withstand requirements regarding testing and to give guidance for the selection of fuse-links to be used with motors. Note: Fuse-links according to this specification should comply with the requirements of IEC 60282-1. The main changes with regard to the previous edition concern the following: - update of the normative references; - renewal of the figures.
英文名称Specification for high-voltage fuse-links for motor circuit applications