Electrical protection relays. Requirements for single input energizing quantity relays. Specification for single input energizing quantity measuring relays with non-specified time or independent specified time.
STANDARD published on 31.12.1990
Designation standards: BS 142-3-3.1:1990
Note: WITHDRAWN
Publication date standards: 31.12.1990
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS