Specification for low-voltage switchgear and controlgear. Control circuit devices and switching elements. Methods of assessing the performance of low energy contacts. Special tests.
NORMA vydaná dňa 15.12.1997
Designation standards: BS EN 60947-5-4:1997
Note: NEPLATNÁ
Publication date standards: 15.12.1997
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Kategória: Technické normy BS