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DETAILS OF TECHNICAL STANDARDS

IEC 60947-4-1

Low-voltage switchgear and controlgear
Part 4-1: Contactors and motor-starters
Electromechanical contactors and motor-starters

Год файл Публикация SCAME
       

International Standard

 

Contents
(courtesy IEC)

IEC 60947-4-1:2009+A1:2012 applies to the types of equipment whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c. Starters and/or contactors dealt with in this standard are not normally designed to interrupt short-circuit currents. Therefore, suitable short-circuit protection forms part of the installation but not necessarily of the contactor or the starter. This third edition replaces the second edition published in 2000 and its Amendments 1 (2002) and 2 (2005). It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition (2000) and its Amendments 1 (2002) and 2 (2005): - deletion of the test at -5 °C and +20 °C for thermal overload relays that are not compensated for ambient air temperature; - addition of conditions of the tests according to Annex Q of IEC 60947-1; - EMC tests: clarification of acceptance criteria and alignment with IEC 60947-1 for fast transient severity level; - Annex B, test for Icd: modification of the duration of the dielectric test voltage from 5 s to 60 s; - Annex B, electrical durability: improvement of the statistical aspects; - Annex H: clarification and introduction of new extended functions within electronic overload relays; - Annex K, procedure to determine data for electromechanical contactors used in functional safety applications: creation of this new annex. This standard shall be read in conjunction with IEC 60947-1, Low voltage switchgear and controlgear - Part 1: General rules. The provisions of the general rules are applicable to this standard, where specifically called for. This consolidated version consists of the third edition (2009) and its amendment 1 (2012). Therefore, no need to order amendment in addition to this publication.

 



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"CROSS REFERENCE"
by SCAME


The main Standards
related to IEC 60947-4-1


 

Corresponding European standards
EN 60947-4-1… work in progress …
 
Corresponding International standards
No data available
 
Organizations and Institutions
IECInternational Electrotecnical Commission
[International Standard]
 
Other related IEC Standards
IEC 1058-1 Switches for appliances.
Part 1: General requirements
IEC 60947-4-1 Low-voltage switchgear and controlgear
Part 4-1: Contactors and motor-starters
Electromechanical contactors and motor-starters
IEC 898 Electrical accessories.
Circuit-breakers for overcurrent protection for household and similar installations.
IEC 947-1 Low-voltage switchgear and controlgear.
Part 1: General rules.
IEC 947-3 Low-voltage switchgear and controlgear.
Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units.
IEC 947-5-1 … work in progress …
 
Thematic collection
Switches

 


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The "Suggestion"
by SCAME


The main Scame products
related to the requirements of the standard IEC 60947-4-1


 

BASIC Series
panel mounting


COMMAND Series
Rotary SWITCHES


EVOLUTION Series
panel mounting


INNOVA Series
British standard


ISOLATORS Series



LUX Series
SWITCHES


LUXURY Series



PROTECTA Series



RAILDIN Series
Guide metalliche a profilo DIN


TOP22 Series
Ausiliari di comando ø22mm


UNIBOX Series




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