IEEE Trial-Use Standard for Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed Switchgear
NORMA vydána dne 22.11.1996
Designation standards: IEEE C37.20.4-1996
Note: NEPLATNÁ
Publication date standards: 22.11.1996
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE