
6.6 kV disconnectors for indoor use
出版:Japanese Standards Association

專家解讀視頻
This Japanese Industrial Standard specifies the manually operated 6.6 kV disconnectors for indoor use to be used in the circuits of nominal voltage 6.6 kV and of frequency 50 Hz or 60 Hz at high voltage receiving stations which are used for the consumers to receive electric power from the electric utilities.
IEC 60129 Ed. 3.0 - Equivalent