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sklademVydáno: 2002-10-15
IEC 60947-5-4:2002
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
Appareillage à basse tension - Partie 5-4: Appareils et éléments de commutation pour circuits de commande - Méthode d'évaluation des performances des contacts à basse énergie - Essais spéciaux
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Anglicky/Francouzsky Tisk
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| Označení normy: | IEC 60947-5-4:2002 |
| Vydáno: | 2002-10-15 |
| Jazyk: | Anglicky/Francouzsky |
Popis
IEC 60947-5-4:2002
IEC 60947-5-4:2002 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.