The purpose of this standard is to harmonize as far as practicable all rules and requirements of a general nature applicable to low-voltage switchgear and controlgear in order to obtain uniformity of requirements and tests throughout the corresponding range of equipment and to avoid the need for testing to different standards.
IEC 60947-1 Ed. 5.0 b:2007 History
IEC 60947-1 Ed. 6.0 b:2020
$256.00 $512.00
IEC 60947-1 Ed. 5.2 b:2014
$645.00 $1,290.00
IEC 60947-1 Ed. 5.1 b:2011
$410.00 $821.00
IEC 60947-1 Ed. 5.0 b:2007
$205.00 $410.00
IEC 60947-1 Ed. 4.0 b:2004
$116.00 $232.00
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