IEC 60947-4-3:2020 applies to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ON-state and the OFF-state. Typical applications are classified by utilization categories given in Table 2.
IEC 60947-4-3 Ed. 3.0 en:2020 History
IEC 60947-4-3 Ed. 3.0 en:2020
$208.00 $417.00
IEC 60947-4-3 Ed. 2.0 b:2014
$176.00 $352.00
IEC 60947-4-3 Ed. 1.2 b:2011
$363.00 $726.00
IEC 60947-4-3 Ed. 1.1 b:2007
$302.00 $605.00
IEC 60947-4-3 Ed. 1.0 b:1999
$169.00 $339.00
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