IEC-60644 Specification for high-voltage fuse-links for motor circuit applications

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Included in this current edition are the following subparts:

 EDITION 2.1 - Sept. 1, 2019
 FOR ED. 2.0 AMENDMENT 1 SEE - Sept. 1, 2019

IEC 60644:2009+A1:2019 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.
This consolidated version consists of the second edition (2009) and its amendment 1 (2019). Therefore, no need to order amendments in addition to this publication.



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29.120.50 (Fuses and other overcurrent protection devices)

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Document Number

IEC 60644 Ed. 2.1 b:2019

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Publication Date

Sept. 1, 2019

Committee Number