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Normas BSI – AENOR
BS EN IEC 62271-110:2018 - TC

BS EN IEC 62271-110:2018 - TC

Tracked Changes. High-voltage switchgear and controlgear. Inductive load switching

2020-02-27 /Under Review
IEC 62271-110:2017 is also available as IEC 62271-110:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

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?v oltage 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.
The contents of the corrigendum of December 2017 and of February 2018 have been included in this copy.
Electrical testing, Type testing, Electrical equipment, Electrical protection equipment, Short-circuit currents, Switches, Circuit-breakers, Electric control equipment, Electric current control, Switchgear, Ratings, Rated current, Electric power distribution, High-voltage equipment, Alternating current
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