标准摘要
[中文适用范围]: 本部分《IEC 60898》适用于额定电压不超过440 V(相间)、额定电流不超过125 A、额定短路容量不超过25 000 A的交流空气断路器,其工作频率为50 Hz、60 Hz或50/60 Hz。在可能的情况下,本部分与《IEC 60947-2》中的相关要求保持一致。 注释1:在具有更严重过电压工况的场所使用的断路器,尚需满足额外要求。 [外文原描述]: IEC 60898-1:2015+A1:2019 applies to a.c. air-break circuit-breakers for operation at 50 Hz, 60 Hz or 50/60 Hz, having a rated voltage not exceeding 440 V (between phases), a rated current not exceeding 125 A and a rated short-circuit capacity not exceeding 25 000 A. This second edition cancels and replaces the first edition published in 2002, Amendment 1:2002 and Amendment 2:2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) revision of 9.5 Terminals b) revision of the test of glow wire c) simplification of the figures for short circuit tests. The contents of the corrigendum of November 2015 and corrigendum of amendment of March 2020 have been included in this copy. This consolidated version consists of the second edition (2015) and its amendment 1 (2019). Therefore, no need to order amendments in addition to this publication.
英文名称Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations - Part 1: Circuit-breakers for a.c. operation