Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. General requirements.
NORM herausgegeben am 31.1.2025
Designation standards: BS EN IEC 61557-1:2021+A1:2024
Publication date standards: 31.1.2025
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: British technical standard
Kategorie: Technische Normen BS
ISBN: 978 0 539 29355 5 Status: Definitive