IEC-60947-4-3 › Historical Revision Information
Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
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IEC 60947-4-3:2014 applies to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ON-state and the OFF-state. Typical applications are classified by utilization categories given in Table 2. This second edition cancels and replaces the first edition published in 1999, 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:
a) Update of the marking requirements (6.1);
b) Update of the EMC requirements (8.3.2); and
c) Update of the tests requirements (9.3.1, 9.4, 9.4.1.1, 9.4.1.2, 9.4.2.1, 9.4.2.2, 9.4.2.3, 9.4.2.4, 9.4.2.6).
To find similar documents by classification:
29.130.20 (Low voltage switchgear and controlgear Including switchgear and controlgear assemblies)
29.140.10 (Lamp caps and holders)
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Document Number
IEC-60947-4-3
Revision Level
FOR 1ST EDITION AMENDMENT 1
Status
Superseded
Publication Date
Oct. 1, 2006
Committee Number
121A