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IEC 60947-4-3:2014 ED2

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

Publication date:   May 7, 2014

General information

99.60 Withdrawal effective   Jul 14, 2020

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IEC

TC 121/SC 121A

International Standard

29.130.20   Low voltage switchgear and controlgear | 31.180   Printed circuits and boards

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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.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60947-4-3:1999 ED1

WITHDRAWN
IEC 60947-4-3:1999/COR1:2000 ED1

WITHDRAWN
IEC 60947-4-3:1999/AMD1:2006 ED1

WITHDRAWN
IEC 60947-4-3:1999/AMD2:2011 ED1

NOW

WITHDRAWN
IEC 60947-4-3:2014 ED2
99.60 Withdrawal effective
Jul 14, 2020

REVISED BY

PUBLISHED
IEC 60947-4-3:2020 ED3