2678034

DANSK DS/EN 60947-4-2/A1+CORR. [ Revised ]

Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters

Amendment by Dansk Standard , 01/21/2003

This document is an amendment. View the base document.

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INCLUDES CRGD

This standard 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 1 000 V a.c. This standard characterizes controllers and starters with and without bypass means. This standard does not apply to: - continuous operation of a.c. motors at motor speeds other than the normal speed; - semiconductor equipment, including semiconductor contactors (see 2.2.13 of IEC 60947-1) controlling non-motor loads; - electronic a.c. power controllers covered by IEC 60146.

 

Product Details

Edition:
00
Published:
01/21/2003
Number of Pages:
30
File Size:
1 file , 240 KB
Product Code(s):
DS-026, DS-026