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  • Revision:2003 Edition, 2003
  • Published Date:January 2003
  • Status:Active, Most Current
  • Document Language:English
  • Published By:Institute of Electrical and Electronics Engineers (IEEE)
  • Page Count:11
  • ANSI Approved:Yes
  • DoD Adopted:No

  • Foreword 

    (This foreword is not part of ANSI C37.22-1997, Preferred Ratings and Related Required Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed Switchgear.)

    This new standard reflects the ongoing, definitive changes being made in standards for technical improvement as well as to reflect industry practice. Periodic review of this standard takes place through the normal ANSI procedural requirement that standards be reaffirmed, revised or withdrawn within five years of the original publication date.

    Suggestions for improvement of this standard will be welcome. They should be sent to:

    Vice President, Engineering Department

    National Electrical Manufacturers Association

    1300 North 17th Street

    Rosslyn, Virginia 22209

    This standard was processed and approved for submittal to ANSI by Accredited Standard Committee of Power Switchgear, C37. Committee approval of the standard does not necessarily imply that all committee members voted for its approval. The basic data included in this new document is a result of new standards being developed that need the Preferred Ratings contained herein.


    This standard provides preferred ratings for indoor AC medium-voltage switches used in metal-enclosed switchgear.