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 (Identical)
UNE-EN 50171:2002
Corrected by: UNE-EN 50171:2022/AC: 2024-08
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