NBN EN 61557-7 : 2007

Current

Current The latest, up-to-date edition.

ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 7: PHASE SEQUENCE

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Published date: 12-01-2013

Publisher: Belgian Standards

Table of Contents - (Show below) - (Hide below)

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

Abstract - (Show below) - (Hide below)

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.

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Document Type	Standard
ISBN
Pages
Published
Publisher	Belgian Standards
Status	Current

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
NF EN 61557-7 : 2007	Identical
DIN EN 61557-7 : 2008	Identical
I.S. EN 61557-7:2007	Identical
EN 61557-7:2007	Identical
SN EN 61557-7 : 1997	Identical
UNE-EN 61557-7:2007	Identical
BS EN 61557-7:2007	Identical

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