HD 384.4.45:1989现行
Electrical Installations Of Buildings - Part 4: Protection For Safety - Chapter 45: Protection Against Undervoltage
出版：European Committee for Standards - Electrical
专家解读视频
Defines the precautions to be taken where a drop in voltage, or a loss and subsequent restoration of voltage could imply dangerous situations for persons or property or where a part of the installation or current-using equipment may be damaged by a drop in voltage.
CEI 64-8/4 Ed. 6 (2007) - Identical
DIN VDE 0100-450 (1990-03) - Identical
VDE 0100-450:1990 - Identical
IEC 60364-4-45 Ed. 1.0 - Identical
PN IEC 60364-4-45:1999 - Identical
UNE 20460-4-45:1990 - Identical
CEI 64-8/4 Ed. 7 (2012) - Identical
