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IEC 60947-4-3 Ed. 3.0 en:2020
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IEC 60947-4-3 Ed. 3.0 en:2020 Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
standard by International Electrotechnical Commission, 07/14/2020
Full Description
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.
M00007260
2021-02-22
New product
IEC 60947-4-3 Ed. 3.0 en:2020 Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
standard by International Electrotechnical Commission, 07/14/2020