
Low-Voltage Electrical Installations - Part 4-444: Protection For Safety - Protection Against Voltage Disturbances And Electromagnetic Disturbances
出版:Polish Committee for Standardization

專家解讀視頻
2010 [25/08/2010]
Supersedes PN IEC 60364-4-444 which remains current and will be withdrawn on 01/05/2013. (09/2010)
HD 60364-4-444:2010 - Identical