
Low-voltage Switchgear And Controlgear - Part 4-1: Contactors And Motor-starters - Electromechanical Contactors And Motor-starters
出版:Underwriters Laboratories

专家解读视频
基本信息
标准编号: UL 60947-4-1A Ed. 2 (2007)
标准类别:Standard
出版单位:Underwriters Laboratories
标准页数:0
标准简介
Applies to the types of equipment listed in 1.1 and 1.2 whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1000 V a.c. or 1500 V d.c.
本标准替代的旧标准
替代本标准的新标准