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Standard

IEC 62271-110:2017 ED4

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Nota: Ultima versione: IEC 62271-110:2023 ED5

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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. The contents of the corrigendum of December 2017 and of February 2018 have been included in this copy.

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  • Standard da IEC
  • Pubblicato:
  • Ritirato:
  • Edizione: 4
  • Tipo di documento: IS
  • Pagine
  • Publisher IEC
  • Distributor IEC
  • ICS 29.130.10
  • International TC TC 17/SC 17A

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