IEC 60947-6-1:2021 applies to transfer switching equipment (TSE) to be used in power systems with interruption of the supply to the load during transfer, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.
IEC 60947-6-1 Ed. 3.0 b:2021 History
IEC 60947-6-1 Ed. 3.0 b:2021
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IEC 60947-6-1 Ed. 2.1 b:2013
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IEC 60947-6-1 Ed. 2.0 b:2005
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