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IEC 60644 Ed. 2.0 b:2009
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IEC 60644 Ed. 2.0 b:2009 Specification for high-voltage fuse-links for motor circuit applications
standard by International Electrotechnical Commission, 08/11/2009
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Full Description
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.