BH GSO IEC 60947-4-3:2017

Bahraini Standard   Current Edition
Approved on  03 April 2017

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

Low voltage switchgear and controlgear
Including switchgear and controlgear assemblies

BH GSO IEC 60947-4-3:2017 Files

English null Pages
Current Edition Reference Language

BH GSO IEC 60947-4-3:2017 Scope

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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