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IEC 62271-110 Ed. 2.0 b:2009
M00017506
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IEC 62271-110 Ed. 2.0 b:2009 High-voltage switchgear and controlgear - Part 110: Inductive load switching
standard by International Electrotechnical Commission, 01/26/2009
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IEC 62271-110:2009 is applicable to a.c. circuit-breakers designed for indoor or outdoor installation, for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1000 V and applied for inductive current switching with or without additional short-circuit current breaking duties. The standard is applicable to circuit-breakers in accordance with IEC 62271-100 that are used to switch high-voltage motor currents and shunt reactor currents and also to high-voltage contactors used to switch high-voltage motor currents. This second edition cancels and replaces the first edition dated 2005 and constitutes an editorial revision. The main changes from the first edition are that all references to IEC 60694 have been replaced by IEC 62271-1. This standard is to be read in conjunction with IEC 62271-1, first edition, published in 2007, and with IEC 62271-100, second edition, published in 2008.This publication is to be read in conjunction with IEC 62271-1:2007 and IEC 62271-100:2008.