IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit-Breaker Switchgear
NORMA vydaná dňa 29.6.1987
Designation standards: IEEE C37.20.1-1987
Note: NEPLATNÁ
Publication date standards: 29.6.1987
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE