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IEC 60947-5-4-ed.2.1+Amd.1-CSV
Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests
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STANDARD published on 22.5.2019
The information about the standard:
Designation standards: IEC 60947-5-4-ed.2.1+Amd.1-CSV
Publication date standards: 22.5.2019
SKU: NS-1095099
The number of pages: 98
Approximate weight : 325 g (0.72 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60947-5-4-ed.2.1+Amd.1-CSV :
IEC 60947-5-4:2002+A1:2019 applies to separable contacts used in the utilization area considered, such as switching elements for control circuits. This standard takes into consideration two rated voltage areas: a) above (and including) 10 V (typically 24 V) where contacts are used for switching loads with possible electrical erosion, such as programmable controller inputs; b) below 10 V (typically 5 V) with negligible electrical erosion, such as electronic circuits. This second edition cancels and replaces the first edition which was issued as a technical report in 1996. It now has the status of an International Standard. This consolidated version consists of the second edition (2002) and its amendment 1 (2019). Therefore, no need to order amendment in addition to this publication. LIEC 60947-5-4:2002+A1:2019 s’applique aux contacts separables utilises dans le domaine d’emploi considere, tels que les elements de commutation pour les circuits de commande. La presente norme prend en compte deux domaines de tensions assignees: a) tensions superieures (et egales) a 10 V (typiquement 24 V) pour lesquelles les contacts sont utilises pour commuter des charges avec possibilite d’erosion electrique, par exemple les entrees d’automates programmables; b) les tensions inferieures a 10 V (typiquement 5 V) pour lesquelles l’erosion electrique des contacts est negligeable, par exemple dans les circuits electroniques. Cette deuxieme edition annule et remplace la premiere edition parue comme rapport technique en 1996. Elle a desormais le statut de norme internationale. Cette version consolidee comprend la deuxieme edition (2002) et son amendement 1 (2019). Il nest donc pas necessaire de commander lamendement avec cette publication.
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