
Low Voltage Electrical Installations - Part 4-44: Protection For Safety - Protection Against Voltage Disturbances And Measures Against Electromagnetic Influences - Clause 442: Protection Of Low-voltage Installations Against Temporary Overvoltages And Faults Between High-voltage Systems And Earth
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
DRAFT AMD 3 2005 [01/11/2005]DRAFT AMD 2F1 2004 [01/03/2004]DRAFT AMD 2 2003 [01/04/2003]
DRAFT AMD 2:2003-04 is superseded by DIN VDE 0100-444 (2008-11). (12/2008)