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View larger IEC 60050-445 Ed. 2.0 b:2010
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IEC 60050-445 Ed. 2.0 b:2010 International Electrotechnical Vocabulary - Part 445: Time relays
standard by International Electrotechnical Commission, 10/13/2010
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IEC 60050-445:2010 defines terms related to specified-time relays. This second edition cancels and replaces the first edition published in 2002 and constitutes a technical edition. It has the status of a horizontal standard in accordance with IEC Guide 108. This new edition has been revised in order to:- incorporate terms more commonly used by industry;
- incorporate timing charts to help explain definitions involving a sequence of operations.