I.S. EN IEC 60947-3:2021被替代
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switchdisconnectors and fuse-combination units
出版：National Standards Authority of Ireland
专家解读视频
This part of IEC 60947 applies to switches, disconnectors, switch-disconnectors and fusecombination units and their dedicated accessories to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V AC or 1 500 V DC.
IEC 60947-3:2020 - Identical
EN IEC 60947-3:2021 - Identical
EN IEC 60947-3:2021 - Identical
IEC 60947-3:2020 - Identical
EN IEC 60947-3:2021 - Identical
EN IEC 60947-3:2021 - Identical
