IEC 60947-4-3 Ed. 2.0 b:2014

Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads

International Electrotechnical Commission , 05/07/2014

Publisher: IEC

File Format: PDF

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Description

Standard By:International Electrotechnical Commission , 05/07/2014

Published:05/07/2014

Pages:159

File Size:1 file , 1 MB

Language:English, French

Note:This product is unavailable in Ukraine, Russia, Belarus

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).

This publication is to be read in conjunction withIEC 60947-1:2007.