EN
SR EN IEC 62271-104:2020
Aparataj de înaltă tensiune. Partea 104: Întreruptoare de curent alternativ pentru tensiuni nominale mai mari de 52 kV
IEC 62271-104:2020 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This third edition replaces and cancels the second edition published in 2015. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - new numbering, following IEC 62271-1:2017.
Status :
In vigoare
Data aprobării : 27.11.2020
Număr de pagini : 116
ICS : 29.130.10 Aparate de conectare si comanda de înalta tensiune,29.130.99 Alte aparate de conectare si de comanda
Comitet tehnic : 8 - Aparataj electric de înaltă tensiune
- Inlocuieste SR EN 62271-104:2015