
Electrical protection relays. Requirements for single input energizing quantity relays. Specification for single input energizing quantity measuring relays with dependent specified time.
NORMA vydaná dňa 29.7.1983
Designation standards: BS 142-3-3.2:1983
Note: NEPLATNÁ
Publication date standards: 29.7.1983
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS