
Low-voltage switchgear and controlgear. Contactors and motor-starters. Electromechanical contactors and motor-starters
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
Replaces notes:
Replaces BS EN 60947-4-1:2001 which remains current.
Amendment notes:
Amendment, January 2013. Amends and replaces BS EN 60947-4-1:2010 which remains current
DIN EN 60947-4-1:2014 - Identical
SS EN 60947-4-1:2010 - Identical
UNE EN 60947-4-1:2011 - Identical
IEC 60947-4-1 Ed. 3.0 - Identical