Oil circuit-breakers, oil switches and oil isolating-switches, for alternating-current circuits. Three-phase oil circuit-breakers with breaking-capacity ratings above 500 mva.
STANDARD published on 20.7.1971
Designation standards: BS 116-2:1937
Note: WITHDRAWN
Publication date standards: 20.7.1971
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS