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IEC 60947-8 Ed. 2.0:2021 (b)
低電圧開閉装置及び制御装置-第8部:回転電気機械の内蔵温度保護(PTC)の制御ユニット
Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

発行年月日: 2021-07-28
状態: 有効
邦訳版: 無

規格概要
IEC 60947-8:2021 specifies requirements for control units, which control a switching device in response to the PTC thermistors incorporated in rotating electrical machines and the industrial application.
This second edition cancels and replaces the first edition published in 2003, Amendment 1:2006 and Amendment 2:2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
  1. safety aspects related to:
  • general aspects;
  • limited energy circuits;
  • electronic circuits;
  1. alignment to IEC 60947-1:2020;
  2. wire break detection function;
  3. the term detector is replaced by thermistor;
  4. reference to IEC 60738-1-4.
全文を表示する
TC TC 121/SC 121A
ICS 29.130.20
備考
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