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IEC 60947-6-1:1989+AMD1:1994+AMD2:1997 CSV ED1.2


Note: Latest version: IEC 60947-6-1:2021 ED3

Existing or new amendments and versions must be purchased separately.



Applies to Automatic Transfer Switching Equipment (ATSE) to be used in emergency power systems with interruption of the supply to the load during transfer, the rated voltage of which does not exceed 1000 V a.c. or 1500 V d.c. It covers ATSE provided with or without an enclosure.

Products specifications

  • Standard from IEC
  • Published:
  • Withdrawn:
  • Edition: 1.2
  • Document type: IS
  • Pages
  • Publisher: IEC
  • Distributor: IEC
  • ICS: 29.120.40
  • ICS: 29.130.20
  • International TC: TC 121/SC 121A

Product life cycle