Electrical relays. Tests and measurements. Long term stability of sealing.
STANDARD published on 11.6.2025
Designation standards: BS EN IEC 63522-49:2025
Publication date standards: 11.6.2025
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 19834 8 Status: Definitive