
Low-Voltage Switchgear And Controlgear - Part 4-2: Contactors And Motor-Starters - Ac Semiconductor Motor Controllers And Starters
出版:Danish Standards

专家解读视频
Pertains to a.c. semiconductor motor controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1000 V a.c.
2000 Edition along with its amendment is still active and will be withdrawn on 22-06-2014. (10/2012)
EN 60947-4-2:2012 - Identical