Standard

IEC 61557-7:1997 ED1

Feb 1997 Revised

Note: Latest version: IEC 61557-7:2019+AMD1:2023 CSV

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Abstract

Specifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.

Products specifications

Standard from IEC
Published: February 28 1997
Withdrawn: January 29 2007
Edition: 1
Document type: IS
Pages
ISBN: 2831837057

Publisher: IEC
Distributor: IEC
ICS: 17.220.20
ICS: 29.080.01
ICS: 29.240.01
International TC: TC 85

Product Relations

Revised by: IEC 61557-7:2007 ED2

IEC 61557-7:1997 ED1

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IEC 61557-7:2019+AMD1:2023 CSV

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IEC 61557-7:2007 ED2