
IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
NORM herausgegeben am 28.12.1989
    
        Designation standards: IEEE C37.90-1989
                
                
                
                Note:    UNGÜLTIG
               
                Publication date standards:  28.12.1989
        Approximate weight : 300 g (0.66 lbs)
        Country:          International technical standard
        Kategorie: Technische Normen IEEE