Oil circuit-breakers for alternating-current circuits up to and including 660 volts.
NORMA vydána dne 18.7.1955
Designation standards: BS 936:1940
Note: NEPLATNÁ
Publication date standards: 18.7.1955
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS