IEC-62271-110 High-voltage switchgear and controlgear - Part 110: Inductive load switching

IEC-62271-110 - EDITION 4.0 - CURRENT
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Included in this current edition are the following subparts:

 EDITION 4.0 - Oct. 1, 2017
 ED. 4.0 CORRIGENDUM 1 - Dec. 15, 2017
 ED. 4.0 CORRIGENDUM 2 - Jan. 1, 2018

IEC 62271-110:2017 is applicable to AC switching devices designed for indoor or outdoor installation, for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1?000 V and applied for inductive current switching. It is applicable to switching devices (including 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 as covered by IEC 62271-106. This fourth edition cancels and replaces the third edition published in 2012 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- all switching devices are now covered, not only circuit-breakers;
- a limited number of T10 tests no longer covers shunt-reactor switching tests below 52 kV;
- evaluation and reporting of a re-ignition-free arcing time window has been added.
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Document Number

IEC 62271-110 Ed. 4.0 b:2017

Revision Level

EDITION 4.0

Status

Current

Publication Date

Oct. 1, 2017

Committee Number

17A