IEEE Guide for Testing Medium-Voltage Metal-Enclosed Switchgear for Internal Arcing Faults
NORMA vydána dne 20.5.2002
Designation standards: IEEE C37.20.7-2001
Note: NEPLATNÁ
Publication date standards: 20.5.2002
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE