IEC 60050-446 Ed. 1.0被替代
International Electrotechnical Vocabulary. Electrical relays
出版：International Electrotechnical Committee
專家解讀視頻
It has the status of a horizontal standard in accordance with IEC Guide 108.
SS 428 19 50 Ed. 1 (1988) - Equivalent
NEN 10050-446:1985 - Identical
NBR IEC 60050-446:2005 - Identical
NFC 01 446:1987 - Identical
BS 142-1-1.1:1982 - Similar
BS 4727-1:Group 03:1971 - Similar
AS 1852.446-1988 - Identical
UNE 21302-446:1992 - Identical
BIS IS 1885-9:1992 (R2017) - Identical
