
Erection Of Power Installations With Nominal Voltages Up To 1000 V - Protective Measures, Protection Against Thermal Effects
出版:Verband Deutscher Elektrotechniker

专家解读视频
1991 [01/11/1991]DRAFT AMD 2 90 [01/06/1990]DRAFT AMD 1 86
DRAFT 2005 issued in December 2005. (12/2005)
DIN VDE 0100-420 (1991-11) - Identical
DIN IEC 60364-4-42 (2005-12) - Identical
HD 384.4.42:1995 - Equivalent