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Homepage>BS EN 60947-4-3:2014 Low-voltage switchgear and controlgear Contactors and motor-starters. AC semiconductor controllers and contactors for non-motor loads

BS EN 60947-4-3:2014

Low-voltage switchgear and controlgear Contactors and motor-starters. AC semiconductor controllers and contactors for non-motor loads

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Označení normy:	BS EN 60947-4-3:2014
Počet stran:	84
Vydáno:	2014-07-31
ISBN:	978 0 580 81394 8
Status:	Standard

DESCRIPTION

BS EN 60947-4-3:2014

This standard BS EN 60947-4-3:2014 Low-voltage switchgear and controlgear is classified in these ICS categories:

29.130.20 Low voltage switchgear and controlgear
31.180 Printed circuits and boards

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 with IEC 60947-1:2007.

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