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IEC 60947-4-3 (2014-05)
IEC 60947-4-3:2014 Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loadsMore info
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.
| Author | International Electrotechnical Commission (IEC) |
|---|---|
| Editor | CEI |
| Document type | Standard |
| Format | File |
| Edition | 2.0 |
| ICS | 29.130.20 : Low voltage switchgear and controlgear 31.180 : Printed circuits and boards |
| Number of pages | 159 |
| Replace | IEC 60947-4-3 AMD 1 (2006-10) IEC 60947-4-3 (1999-09) IEC 60947-4-3 Edition 1.1 (2007-01) IEC 60947-4-3 AMD 2 (2011-03) IEC 60947-4-3 Edition 1.2 (2011-07) |
| Cross references | DIN EN 60947-4-3 (2015-04), IDT |
| Year | 2014 |
| Document history | IEC 60947-4-3 (2014-05) IEC 121A/2/FDIS (2014-01) IEC 17B/1799/CDV (2013-02) IEC 60947-4-3 Edition 1.2 (2011-07) IEC 60947-4-3 AMD 2 (2011-03) IEC 17B/1727/FDIS (2010-12) IEC 17B/1694/CDV (2010-01) |
| Country | Switzerland |
| Keyword | IEC60947;IEC 60947-4-3:2014 |