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.
IEC 60947-4-2 Ed. 2.1 b:2002 History
IEC 60947-4-2 Ed. 4.1 en:2024
$515.00 $1,030.00
IEC 60947-4-2 Ed. 4.0 b:2020
$227.00 $455.00
IEC 60947-4-2 Ed. 3.0 b:2011
$187.00 $375.00
IEC 60947-4-2 Ed. 2.2 b:2007
$231.00 $462.00
IEC 60947-4-2 Ed. 2.1 b:2002
$100.00 $201.00
More Standards PDF
IEC 60436 Ed. 4.1 b:2020
$487.00 $974.00
IEC 62053-22 Ed. 2.0 b:2020
$72.00 $145.00
IEEE 1547a-2020
$29.00 $58.00
IEC 61496-2 Ed. 4.0 b:2020
$164.00 $329.00










