I.S. EN 60947-4-2:2000被替代
Low-voltage Switchgear and Controlgear - Part 4-2: Contactors and Motor-starters - ac Semiconductor Motor Controllers and Starters
出版：National Standards Authority of Ireland
专家解读视频
Applies to 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.
Partially supersedes I.S. HD 419.2.
(03/2007)
NF EN 60947-4-2:2000 - Identical
IEC 60947-4-2 Ed. 2.2 - Identical
SS EN 60947-4-2:2000 - Identical
UNE EN 60947-4-2:2002 - Identical
SN EN 60947-4-2:2000 - Identical
BS EN 60947-4-2:2000 - Identical
DIN EN 60947-4-2 (2007-09) - Identical
