Historical
IEC 60947-6-1 Ed. 2.0 b:2005
Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment
This part of IEC 60947applies 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.c.
International Electrotechnical Commission [iec]