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ANSI C37.22
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ANSI C37.22 1997 Edition, January 1, 1997 Preferred Ratings and Related Required Capabilities for Indoor AC Medium-Voltage Switches Used in Metal-Enclosed Switchgear
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Description / Abstract:
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of this standard takes place through the normal ANSI procedural requirement that standards be reaffirmed, revised or withdrawn within five years of the original publication date.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.
Scope
This standard provides preferred ratings for indoor AC medium-voltage switches used in metal-enclosed switchgear.
(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of this standard takes place through the normal ANSI procedural requirement that standards be reaffirmed, revised or withdrawn within five years of the original publication date.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.
Scope
This standard provides preferred ratings for indoor AC medium-voltage switches used in metal-enclosed switchgear.