BS EN 60947-4-2:1997:2000 Edition
$215.11
Specification for low-voltage switchgear and controlgear. Contactors and motor-starters – a.c. semiconductor motor controllers and starters
Published By | Publication Date | Number of Pages |
BSI | 2000 | 80 |
Specifies 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