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About This Item
Full Description
- alignment with the fifth edition of IEC 60947-1;
- a switching operation without current allowed between making and breaking operation (Table 3);
- increased number of operations for AC-23 allowed with agreement of the manufacturer (Table 3);
- simplified test procedure amended, f) added to 8.3.2.1.3;
- temperature rise test shall be made at the rated operational current /e instead of the conventional enclosed thermal current /the (8.3.3.1).
Document History
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IEC 60947-3 Ed. 4.0 b:2020
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units- Most Recent
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IEC 60947-3 Ed. 3.2 b:2015
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units CONSOLIDATED EDITION- Historical Version
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IEC 60947-3 Ed. 3.1 b:2012
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units CONSOLIDATED EDITION- Historical Version
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IEC 60947-3 Ed. 3.0 b:2008
viewing
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units- Historical Version
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IEC 60947-3 Ed. 2.2 b:2005
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units CONSOLIDATED EDITION- Historical Version
Amendments, rulings, supplements, and errata
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IEC 60947-3 Amd.2 Ed. 3.0 b:2015
Amendment 2 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units -
IEC 60947-3 Amd.1 Ed. 3.0 b:2012
Amendment 1 - Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units