BS 142-3-3.1:1990

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.

NORMA vydaná dňa 31.12.1990

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The information about the standard:

Designation standards: BS 142-3-3.1:1990
Note: NEPLATNÁ
Publication date standards: 31.12.1990
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Kategória: Technické normy BS