Name: SN EN 61557-7 : 1997
Brand: SNV

ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 KV A.C. AND 1,5 KV D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 7: PHASE SEQUENCE

Published date

12-01-2013

Publisher

Swiss Standards

1 Scope
2 Normative references
3 definitions
4 Requirements
5 Marking and operating instructions
6 Tests
Annex A - Illustrations for mechanical tests
Annex ZA (normative) Normative references to international
publications with their corresponding European publications

Defines the requirements for measurement of equipment applied to testing the phase sequence in three-phase distribution systems. The phase sequence may be indicated by mechanical, visual and/or audible means. Not applicable to ancillary measuring equipment for other quantities, such as voltage testers consisting of an additional phase sequence indicator. Not applicable to monitoring relays.

DocumentType	Standard
PublisherName	Swiss Standards
Status	Current

Standards	Relationship
NF EN 61557-7 : 2007	Identical
DIN EN 61557-7 : 2008	Identical
NBN EN 61557-7 : 2007	Identical
IEC 61557-7:2007	Identical
I.S. EN 61557-7:2007	Identical
EN 61557-7:2007	Identical
UNE-EN 61557-7:2007	Identical
BS EN 61557-7:2007	Identical

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SN EN 61557-7 : 1997

ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 KV A.C. AND 1,5 KV D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 7: PHASE SEQUENCE

Table of Contents

Abstract

General Product Information

International Equivalents

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