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sklademVydáno: 2018-01-10
IEC 61643-352:2018
Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
Composants pour protection par parafoudres basse tension - Partie 352: Principes de choix et d'application pour les transformateurs d'isolement contre les surtensions (SIT) dans les réseaux de signalisation et de télécommunications
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| Označení normy: | IEC 61643-352:2018 |
| Vydáno: | 2018-01-10 |
| Jazyk: | Anglicky/Francouzsky |
DESCRIPTION
IEC 61643-352:2018
IEC 61643-352:2018 covers the application of surge isolation transformers (SITs) that are used in telecommunication transformer applications with signal levels up to 400 V peak to peak. These transformers have a high rated impulse voltage with or without screen between the input and output windings. SITs are components for surge protection and are used to mitigate the onward propagation of common-mode voltage surges. This document describes SITs' selection, application principles and related information. This document does not cover power line communication transformers.