Sistemas de alimentación eléctrica de seguridad centralizados.
Central safety power supply systems
Systèmes d'alimentation de sécurité à source centrale
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29.200 / Rectifiers. Convertors. Stabilized power supply
29.240 / Power transmission and distribution networks
CTN 205/SC 34D - Luminaires
EN 50171:2021/AC:2024-08 (Identical)
Corrects: UNE-EN 50171:2022
This standard is available in:
Print and digital format
Español / Inglés
