EN 60947-5-9:2007

SLOVENSKI STANDARD
01-februar-2008
Nizkonapetostne stikalne in krmilne naprave - 5-9. del: Krmilne naprave in stikalni
elementi - Stikala za hitrost pretoka (IEC 60947-5-9:2006)
Low-voltage switchgear and controlgear - Part 5-9: Control circuit devices and switching
elements - Flow rate switches (IEC 60947-5-9:2006)
Niederspannungsschaltgeräte - Teil 5-9: Steuergeräte und Schaltelemente -
Durchflussmengenschalter (IEC 60947-5-9:2006)
Appareillage à basse tension - Partie 5-9: Appareils et éléments de commutation pour
circuit de commande - Détecteurs de débit (IEC 60947-5-9:2006)
Ta slovenski standard je istoveten z: EN 60947-5-9:2007
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60947-5-9
NORME EUROPÉENNE
November 2007
EUROPÄISCHE NORM
ICS 29.130.20
English version
Low-voltage switchgear and controlgear -
Part 5-9: Control circuit devices and switching elements -
Flow rate switches
(IEC 60947-5-9:2006)
Appareillage à basse tension -  Niederspannungsschaltgeräte -
Partie 5-9: Appareils et éléments Teil 5-9: Steuergeräte und
de commutation pour circuit Schaltelemente -
de commande - Durchflussmengenschalter
Détecteurs de débit (IEC 60947-5-9:2006)
(CEI 60947-5-9:2006)
This European Standard was approved by CENELEC on 2007-09-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60947-5-9:2007 E
Foreword
The text of document 17B/1500/FDIS, future edition 1 of IEC 60947-5-9, prepared by SC 17B,
Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as EN 60947-5-9 on 2007-09-01.
This standard is to be used in conjunction with EN 60947-1:2004 and EN 60947-5-2:1998.
The provisions of the general rules, EN 60947-1, are applicable to this part of EN 60947, where
specifically called for. General rules clauses and subclauses thus applicable, as well as tables, figures
and annexes are identified by a reference to IEC 60947-1, for example 1.2.3 or Annex A of IEC 60947-1.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2008-06-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2010-09-01
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directive EMC (2004/108/EC). See Annex ZZ.
Annexes ZA and ZZ have been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60947-5-9:2007 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60947-5-9:2007
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

1)
IEC 60446 1999 Basic and safety principles for man-machine EN 60446 1999
interface, marking and identification -
Identification of conductors by colours or
numerals
2)
IEC 60947-1 2004 Low-voltage switchgear and controlgear - EN 60947-1 2004
Part 1: General rules + corr. November 2004

IEC 60947-5-2 1997 Low-voltage switchgear and controlgear - EN 60947-5-2 1998
(mod) Part 5-2: Control circuit devices and switching
A1 1999 elements - Proximity switches A1 1999
A2 2003 A2 2004
IEC 61000-3-2 2005 Electromagnetic compatibility (EMC) - EN 61000-3-2 2006
Part 3-2: Limits - Limits for harmonic current
emissions (equipment input current ≤16 A per
phase)
IEC 61000-3-3 1994 Electromagnetic compatibility (EMC) - EN 61000-3-3 1995
Part 3-3: Limits - Limitation of voltage + corr. July 1997
A1 2001 changes, voltage fluctuations and flicker in A1 2001
A2 2005 public low-voltage supply systems, for A2 2005
equipment with rated current ≤16 A per phase
and not subject to conditional connection

IEC 61000-4-2 1995 Electromagnetic compatibility (EMC) - EN 61000-4-2 1995
A1 1998 Part 4-2: Testing and measurement A1 1998
A2 2000 techniques - Electrostatic discharge immunity A2 2001
test
IEC 61000-4-3 2006 Electromagnetic compatibility (EMC) - EN 61000-4-3 2006
Part 4-3: Testing and measurement
techniques - Radiated, radio-frequency,
electromagnetic field immunity test

IEC 61000-4-4 2004 Electromagnetic compatibility (EMC) - EN 61000-4-4 2004
Part 4-4: Testing and measurement
techniques - Electrical fast transient/burst
immunity test
1)
EN 60446:1999 is superseded by EN 60446:2007, which is based on IEC 60446:2007.
2)
EN 60947-1:2004 is superseded by EN 60947-1:2007, which is based on IEC 60947-1:2007.

Publication Year Title EN/HD Year
IEC 61000-4-6 2003 Electromagnetic compatibility (EMC) -
+ A1 2004 Part 4-6: Testing and measurement
+ A2 2006 techniques - Immunity to conducted EN 61000-4-6 2007
disturbances, induced by radio-frequency + corr. August 2007
fields
IEC 61000-4-8 1993 Electromagnetic compatibility (EMC) - EN 61000-4-8 1993
A1 2000 Part 4-8: Testing and measurement A1 2001
techniques - Power frequency magnetic field
immunity test
IEC 61000-4-11 2004 Electromagnetic compatibility (EMC) - EN 61000-4-11 2004
Part 4-11: Testing and measurement
techniques - Voltage dips, short interruptions
and voltage variations immunity tests

IEC 61000-4-13 2002 Electromagnetic compatibility (EMC) - EN 61000-4-13 2002
Part 4-13: Testing and measurement
techniques - Harmonics and interharmonics
including mains signalling at a.c. power port,
low frequency immunity tests
IEC 61140 2001 Protection against electric shock - Common EN 61140 2002
A1 (mod) 2004 aspects for installation and equipment A1 2006

IEC 61558-2-6 1997 Safety of power transformers, power supply EN 61558-2-6 1997
units and similar -
Part 2-6: Particular requirements for safety
isolating transformers for general use

CISPR 11 (mod) 2003 Industrial, scientific and medical (ISM)
+ A1 2004 radio-frequency equipment - Electromagnetic EN 55011 2007
disturbance characteristics - Limits and
methods of measurement
- 5 - EN 60947-5-9:2007
Annex ZZ
(informative)
Coverage of Essential Requirements of EC Directives

This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers all
relevant essential requirements as given in Article 1 of Annex I of the EC Directive 2004/108/EC.

Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.

WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
NORME CEI
INTERNATIONALE
IEC
60947-5-9
INTERNATIONAL
Première édition
STANDARD
First edition
2006-12
Appareillage à basse tension –
Partie 5-9:
Appareils et éléments de commutation
pour circuit de commande –
Détecteurs de débit
Low-voltage switchgear and controlgear –
Part 5-9:
Control circuit devices and switching elements –
Flow rate switches
© IEC 2006 Droits de reproduction réservés ⎯ Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
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Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
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60947-5-9 © IEC:2006 – 3 –
CONTENTS
FOREWORD.7

1 General.11
1.1 Scope and object.11
1.2 Normative references.11
2 Terms and definitions .13
2.1 Basic definitions .15
2.2 Characteristics of a flow rate switch .17
2.3 Delay times.19
3 Classification.19
3.1 General.19
3.2 Classification according to sensing means .21
3.3 Classification according to the construction form .21
3.4 Classification according to the switching element function.21
3.5 Classification according to the type of output.21
3.6 Classification according to the method of connection.21
4 Characteristics.21
4.1 Summary of characteristics.21
4.2 Operating conditions .21
4.3 Rated and limiting values for the flow rate switch .23
4.4 Utilization categories for the switching element .27
5 Product information .27
5.1 Nature of information.27
5.2 Marking.27
5.3 Instruction for installation, operation and maintenance .29
6 Normal service, mounting and transport conditions.29
6.1 Normal service conditions .29
6.2 Conditions during transport and storage .31
6.3 Mounting.31
6.4 Indicating means.31
7 Constructional and performance requirements.31
7.1 Constructional requirements.31
7.2 Performance requirements .35
7.3 Shock and vibration.47
8 Tests.47
8.1 Kinds of tests.
...