
International Electrotechnical Vocabulary Part 445: Specified time all-or-nothing relays
出版:International Electrotechnical Committee

专家解读视频
It has the status of a horizontal standard in accordance with IEC Guide 108.
NEN IEC 60050-445:2002 - Identical
NFC 01 445:2002 - Identical
IEV KAPITEL 445 - Identical
UNE 21302-445:2003 - Identical