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관심표준 등록 : 표준업데이트 시 알림서비스

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    IEC 60947-2:2024

    Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
    • 발행일 : 2024-09-18
    • 발행기관 : IEC
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분야 TC 121/SC 121A : Low-voltage switchgear and controlgear
적용범위 IEC 60947-2:2024 applies to circuit-breakers, intended to be installed and operated by instructed or skilled persons, the main contacts of which are intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC; it also contains additional requirements for integrally fused circuit-breakers.
This document also applies to circuit-breakers with ratings at or below 1 000 V AC, additionally having one or more ratings above 1 000 V AC but not exceeding 1 500 V AC.
This sixth edition cancels and replaces the fifth edition published in 2016 and its Amendment 1: 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) suitability for isolation (see Clause 1);
b) removal of the classification according to the interrupting medium, according to the design, according to the suitability for isolation (see Clause 4);
c) adjustment of current settings with an external device connectable to the release (see 5.7.3);
d) requirements for circuits with protective separation (see 8.2.3.8);
e) additional tests for ground-fault overcurrent releases (see 9.3.4.2.5);
f) additional tests concerning dielectric properties in tripped position (see 9.3.4.3);
g) use of DC voltage for dielectric tests (see 9.3.4.6.2 and 9.4.6);
h) tests of individual pole breaking capacity under phase-to-neutral AC voltage (see 9.3.11);
i) improvement of measurement of power loss in Annex G;
j) changes in EMC tests (see Annex J);
k) introduction of CBI class W in Annex L.
국제분류(ICS)코드 29.130.20 : 저전압 스위치 기어 및 콘트롤 기어
페이지수 565
Edition 6.0

이력정보

No. 표준번호 표준명 발행일 상태
1 IEC 60947-2:2024 RLV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2024-10-10 표준
2 IEC 60947-2:2024상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2024-09-18 표준
3 IEC 60947-2:2016+AMD1:2019 CSV/COR1:2019상세보기 Corrigendum 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2019-10-11 구판
4 IEC 60947-2:2016/AMD1:2019상세보기 Amendment 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2019-07-08 구판
5 IEC 60947-2:2016+AMD1:2019 CSV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2019-07-08 구판
6 IEC 60947-2:2016/COR1:2016상세보기 Corrigendum 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2016-11-18 구판
7 IEC 60947-2:2016 RLV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2016-06-07 구판
8 IEC 60947-2:2016상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2016-06-07 구판
9 IEC 60947-2:2006/AMD2:2013상세보기 Amendment 2 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2013-01-31 구판
10 IEC 60947-2:2006+AMD1:2009+AMD2:2013 CSV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2013-01-31 구판
11 IEC 60947-2:2006+AMD1:2009 CSV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2009-05-27 구판
12 IEC 60947-2:2006/AMD1:2009상세보기 Amendment 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2009-01-26 구판
13 IEC 60947-2:2006상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2006-05-22 구판
14 IEC 60947-2:2003상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2003-04-17 구판
15 IEC 60947-2:1995+AMD1:1997+AMD2:2001 CSV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2001-11-20 구판
16 IEC 60947-2:1995/AMD2:2001상세보기 Amendment 2 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2001-07-18 구판
17 IEC 60947-2:1995+AMD1:1997 CSV상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1998-03-11 구판
18 IEC 60947-2:1995/COR1:1997상세보기 Corrigendum 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1997-11-18 구판
19 IEC 60947-2:1995/AMD1:1997상세보기 Amendment 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1997-11-18 구판
20 IEC 60947-2:1995상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1995-12-22 구판
21 IEC 60947-2:1989/AMD2:1993상세보기 Amendment 2 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1993-12-01 구판
22 IEC 60947-2:1989/AMD1:1992상세보기 Amendment 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1992-01-01 구판
23 IEC 60947-2:1989/COR2:1990상세보기 Corrigendum 2 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1990-04-01 구판
24 IEC 60947-2:1989/COR1:1989상세보기 Corrigendum 1 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1989-06-01 구판
25 IEC 60947-2:1989상세보기 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 1989-01-01 구판

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