Safety in electroheating installations - Part 1: General requirements

IEC 60519-1:2010 specifies the general safety requirements applicable to industrial electroheating installations. This fourth edition cancels and replaces the third edition published in 2003. It constitutes a technical revision. The main technical changes with respect to the previous edition are as follows: - scope and object have been modified, voltage limits and classification removed; - terms/definitions, normative references and bibliography have been updated and completed; - Clause 4 on classification of equipment according to process frequency has been modified; - Clause 5 (General requirements) has been redrafted and new provisions have been added (e.g. relating to single fault conditions and EMF issues), following the recommendations of IEC Guide 104; - Clause 8 has been redrafted, the contents of subclauses 8.2 and 8.3 has been moved to a new normative Annex A and 8.4 has been deleted; - a new Clause 12 (Protection against other hazards) has been added; - clauses dealing with marking and documentation have been amended. The French version of this standard has not been voted upon.

Sicherheit in Elektrowärmeanlagen - Teil 1: Allgemeine Anforderungen

Sécurité dans les installations électrothermiques - Partie 1: Exigences générales

La CEI 60519-1:2010 spécifie les exigences générales de sécurité applicables aux installations électrothermiques industrielles. Cette quatrième édition annule et remplace la troisième édition parue en 2003. Elle constitue une révision technique. Dans cette quatrième édition de la CEI 60519-1, les modifications techniques significatives par rapport à l'édition antérieure sont les suivantes: - le domaine d'application et l'objet ont été modifiés; - les limites de tension et la classification ont été supprimées; - les termes/définitions, les références normatives et la bibliographie ont été mis à jour et complétés; - l'Article 4 relatif à la classification de l'équipement conformément à la fréquence du processus a été modifié; - l'Article 5 (Exigences générales) a été remanié et de nouvelles dispositions ont été ajoutées (par exemple, concernant les conditions de premier défaut et les questions de champs électromagnétiques), suivant les recommandations du Guide 104 de la CEI; - L'Article 8 a été révisé, le contenu des paragraphes 8.2 et 8.3 a été déplacé dans la nouvelle Annexe normative A et 8.4 a été supprimé; - l'Article 12 (Protection contre d'autres dangers) a été ajouté; - les articles relatifs au marquage et à la documentation ont été amendés. La version française de cette norme n'a pas été soumise au vote.

Varnost pri električnih grelnih inštalacijah - 1. del: Splošne zahteve (IEC 60519-1:2010)

Ta del IEC 60519 določa splošne varnostne zahteve, ki veljajo za industrijske električne grelne inštalacije. Če se te zahteve razlikujejo od tistih v drugih publikacijah IEC, je zagotovljena enaka stopnja varnosti. Zahteve veljajo za industrijske inštalacije, namenjene električnemu gretju in obdelovalni tehnologiji, temeljijo na električnem gretju z mogočo uporabo: – opreme za neposredno in posredno uporovno gretje, – opreme za električne uporovne grelne trakove, – opremo za indukcijsko gretje, – opremo, ki uporablja učinke sil EM na tekoče kovine, – opremo za obločno gretje, vključno s potopljenim obločnim gretjem, – opremo za ponovno taljenje žlindre, – opremo za gretje z plazmo, – opreme za mikrovalovno gretje, – opreme za dielektrično gretje, – opreme za gretje z elektronskim žarkom, – opreme za lasersko gretje, – opreme za gretje z infrardečim sevanjem.

General Information

Status
Withdrawn
Publication Date
27-Jan-2011
Current Stage
6060 - Document made available
Completion Date
28-Jan-2011

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SLOVENSKI STANDARD
SIST EN 60519-1:2011
01-april-2011
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Safety in electroheating installations - Part 1: General requirements (IEC 60519-1:2010)

Sicherheit in Elektrowärmeanlagen - Teil 1: Allgemeine Anforderungen (IEC 60519-
1:2010)

Sécurité dans les installations électrothermiques - Partie 1: Exigences générales (CEI

60519-1:2010)
Ta slovenski standard je istoveten z: EN 60519-1:2011
ICS:
25.180.10 (OHNWULþQHSHþL Electric furnaces
SIST EN 60519-1:2011 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 60519-1:2011
---------------------- Page: 2 ----------------------
SIST EN 60519-1:2011
EUROPEAN STANDARD
EN 60519-1
NORME EUROPÉENNE
January 2011
EUROPÄISCHE NORM
ICS 25.180.10 Supersedes EN 60519-1:2003
English version
Safety in electroheating installations -
Part 1: General requirements
(IEC 60519-1:2010)
Sécurité dans les installations Sicherheit in Elektrowärmeanlagen -
électrothermiques - Teil 1: Allgemeine Anforderungen
Partie 1: Exigences générales (IEC 60519-1:2010)
(CEI 60519-1:2010)

This European Standard was approved by CENELEC on 2011-01-03. 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, Croatia, 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
Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60519-1:2011 E
---------------------- Page: 3 ----------------------
SIST EN 60519-1:2011
EN 60519-1:2011 - 2 -
Foreword

The text of document 27/770/FDIS, future edition 4 of IEC 60519-1, prepared by IEC TC 27, Industrial

electroheating, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as

EN 60519-1 on 2011-01-03.
This European Standard supersedes EN 60519-1:2003.
The main technical changes with respect to EN 60519-1:2003 are as follows:

– scope and object have been modified, voltage limits and classification removed;

– terms/definitions, Annex ZA and bibliography have been updated and completed;

– Clause 4 on classification of equipment according to process frequency has been modified;

– Clause 5 (General requirements) has been redrafted and new provisions have been added (e.g.

relating to single fault conditions and EMF issues), following the recommendations of IEC Guide 104;

– Clause 8 has been redrafted, the contents of subclauses 8.2 and 8.3 has been moved to a new

normative Annex A and 8.4 has been deleted;
– a new Clause 12 (Protection against other hazards) has been added;
– clauses dealing with marking and documentation have been amended.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent

rights.
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) 2011-10-03
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2014-01-03
Annex ZA has been added by CENELEC.
__________
Endorsement notice

The text of the International Standard IEC 60519-1:2010 was approved by CENELEC as a European

Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60398:1999 NOTE Harmonized as EN 60398:1999 (not modified).
IEC 61000-3-2 NOTE Harmonized as EN 61000-3-2.
IEC 61000-3-3 NOTE Harmonized as EN 61000-3-3.
IEC 61000-3-11 NOTE Harmonized as EN 61000-3-11.
IEC 61000-6-2 NOTE Harmonized as EN 61000-6-2.
IEC 62311:2007 NOTE Harmonized as EN 62311:2008 (modified).
ISO 12100-1:2003 NOTE Harmonized as EN ISO 12100-1:2003 (not modified).
---------------------- Page: 4 ----------------------
SIST EN 60519-1:2011
- 3 - EN 60519-1:2011
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
IEC 60050-841 2004 International Electrotechnical Vocabulary - -
(IEV) -
Part 841: Industrial electroheat
IEC 60071-1 - Insulation co-ordination - EN 60071-1 -
Part 1: Definitions, principles and rules
IEC 60110-1 1998 Power capacitors for induction heating EN 60110-1 1998
installations -
Part 1: General

IEC 60204-1 (mod) 2005 Safety of machinery - Electrical equipment of EN 60204-1 2006

+ A1 2008 machines - + corr. February 2010
Part 1: General requirements + A1 2009
IEC 60204-11 - Safety of machinery - Electrical equipment of EN 60204-11 -
machines -
Part 11: Requirements for HV equipment for
voltages above 1 000 V a.c. or 1 500 V d.c.
and not exceeding 36 kV
IEC 60364-1 (mod) 2005 Low-voltage electrical installations - HD 60364-1 2008
Part 1: Fundamental principles, assessment
of general characteristics, definitions
IEC 60364-4-41 - Low-voltage electrical installations - HD 60364-4-41 -
(mod) Part 4-41: Protection for safety - Protection
against electric shock
IEC 60364-4-42 - Low voltage electrical installations - HD 60364-4-42 -
Part 4-42: Protection for safety - Protection
against thermal effects
IEC 60364-4-43 - Low voltage electrical installations - HD 60364-4-43 -
(mod) Part 4-43: Protection for safety - Protection
against overcurrent
IEC 60364-5-53 - Electrical installations of buildings - - -
Part 5-53: Selection and erection of electrical
equipment - Isolation, switching and control
IEC 60364-5-54 - Electrical installations of buildings - HD 60364-5-54 -
(mod) Part 5-54: Selection and erection of electrical
equipment - Earthing arrangements,
protective conductors and protective bonding
conductors
IEC 60417 - Graphical symbols for use on equipment - -
---------------------- Page: 5 ----------------------
SIST EN 60519-1:2011
EN 60519-1:2011 - 4 -
Publication Year Title EN/HD Year
IEC 60446 - Basic and safety principles for man-machine EN 60446 -
interface, marking and identification -
Identification of conductors by colours or
alphanumerics
IEC 60529 - Degrees of protection provided by enclosures - -
(IP Code)
IEC 60664-1 - Insulation coordination for equipment within EN 60664-1 -
low-voltage systems -
Part 1: Principles, requirements and tests
IEC 61140 - Protection against electric shock - Common EN 61140 -
aspects for installation and equipment
IEC 61936-1 (mod) - Power installations exceeding 1 kV a.c. - EN 61936-1 -
Part 1: Common rules
CISPR 11 (mod) - Industrial, scientific and medical equipment - EN 55011 -
Radio-frequency disturbance characteristics -
Limits and methods of measurement
ISO 3864-1 - Graphical symbols - Safety colours and safety - -
signs -
Part 1: Design principles for safety signs in
workplaces and public areas
ISO 7000 - Graphical symbols for use on equipment - - -
Index and synopsis
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SIST EN 60519-1:2011
IEC 60519-1
Edition 4.0 2010-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Safety in electroheating installations –
Part 1: General requirements
Sécurité dans les installations électrothermiques –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX
ICS 25.180.10 ISBN 978-2-88912-264-6
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN 60519-1:2011
– 2 – 60519-1 Ó IEC:2010
CONTENTS

FOREW ORD ................................................................................................................. 4

INTRODUCTION ............................................................................................................ 6

1 Scope and object ..................................................................................................... 7

2 Normativ e references ............................................................................................... 8

3 Terms and definitions ............................................................................................... 9

4 Classification of electroheating equipment ............................................................... 15

4.1 General ........................................................................................................ 15

4.2 Classification of electroheating equipment according to process frequency ........ 15

4.2.1 Direct current equipment ..................................................................... 15

4.2.2 Low-frequency equipment.................................................................... 16

4.2.3 Mains-frequency equipment ................................................................. 16

4.2.4 Medium-frequency equipment .............................................................. 16

4.2.5 High-frequency equipment ................................................................... 16

4.2.6 Microwave equipment ......................................................................... 16

4.2.7 Infrared equipment ............................................................................. 16

5 General requirements ............................................................................................. 16

5.1 General ........................................................................................................ 16

5.2 Electroheating equipment ............................................................................... 17

5.3 Electric equipment of electroheating installations ............................................. 18

5.4 Electrostatic charges ..................................................................................... 19

5.5 Magnetic, electric and electromagnetic fields .................................................. 19

5.6 Electromagnetic compatibility ......................................................................... 19

5.7 Ionizing radiation ........................................................................................... 20

5.8 Liquid cooling ................................................................................................ 20

6 Isolation and switching ........................................................................................... 20

6.1 General ........................................................................................................ 20

6.2 Switching-off of control and auxiliary circuits ................................................... 21

6.3 Switching at high voltage levels ...................................................................... 21

7 Connection to the electrical supply network and internal connections ......................... 21

7.1 General requirements .................................................................................... 21

7.2 Fixed electric connection ............................................................................... 22

7.3 Removable connection and flexible conductors ................................................ 22

8 Protection against electric shock ............................................................................. 22

8.1 General ........................................................................................................ 22

8.2 Direct contact – special measures................................................................... 23

8.3 Indirect contact – special measures ................................................................ 23

9 Equipotential bonding ............................................................................................. 23

9.1 General ........................................................................................................ 23

9.2 Protective bonding circuits ............................................................................. 23

9.2.1 General.............................................................................................. 23

9.2.2 Protective conductors ......................................................................... 23

9.2.3 Continuity of the protective bonding system.......................................... 23

9.2.4 Exclusion of switching devices from the protective bonding system ........ 23

9.2.5 Parts that need not be connected to the protective bonding system ........ 23

9.2.6 Interruption of the protective bonding system ....................................... 24

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SIST EN 60519-1:2011
60519-1 Ó IEC:2010 – 3 –

9.2.7 Protective conductor connecting points ................................................ 24

9.2.8 Protective bonding for electroheating installations with earth

leakage current above 10 mA .............................................................. 24

9.3 Functional bonding ........................................................................................ 24

9.4 Prohibition of the use of earth as part of an active circuit ................................. 24

10 Control circuits and control functions ....................................................................... 24

10.1 Control circuits .............................................................................................. 24

10.2 Earthing of control circuits ............................................................................. 25

10.3 Control functions ........................................................................................... 25

10.3.1 General.............................................................................................. 25

10.3.2 Start and stop functions ...................................................................... 26

10.3.3 Operating modes ................................................................................ 26

10.3.4 Suspension of safety functions and/or protective measures ................... 26

10.3.5 Emergency operations ........................................................................ 26

10.3.6 Cableless control ................................................................................ 26

10.4 Control functions in the event of failure ........................................................... 26

11 Protection against thermal influences ...................................................................... 26

12 Protection against other hazards ............................................................................. 27

13 Marking, labelling and technical documentation ........................................................ 27

13.1 Marking ........................................................................................................ 27

13.2 Warning marking ........................................................................................... 28

13.3 Labell ing ....................................................................................................... 28

13.4 Technical documentation ............................................................................... 28

14 Commissioning, inspection, operation and maintenance ............................................ 28

14.1 General requirements .................................................................................... 28

14.2 Commissioning and inspection........................................................................ 29

14.3 Safety instructions for operation ..................................................................... 29

14.4 Instructions for maintenance work ................................................................... 29

Annex A (normative) Protection against electric shock – special measures ..................... 31

Bibliography ................................................................................................................ 32

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SIST EN 60519-1:2011
– 4 – 60519-1 Ó IEC:2010
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SAFETY IN ELECTROHEATING INSTALLATIONS –
Part 1: General requirements
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international

co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in

addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their

preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with

may participate in this preparatory work. International, governmental and non-governmental organizations liaising

with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for

Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence between

any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60519-1 has been prepared by IEC technical committee 27:

Industrial electroheating.

This fourth edition cancels and replaces the third edition published in 2003. It constitutes

a technical revision.
The main technical changes with respect to the previous edition are as follows:

– scope and object have been modified, voltage limits and classification removed;

– terms/definitions, normative references and bibliography have been updated and
completed;

– Clause 4 on classification of equipment according to process frequency has been

modified;

– Clause 5 (General requirements) has been redrafted and new provisions have been

added (e.g. relating to single fault conditions and EMF issues), following the
recommendations of IEC Guide 104;
---------------------- Page: 10 ----------------------
SIST EN 60519-1:2011
60519-1 Ó IEC:2010 – 5 –

– Clause 8 has been redrafted, the contents of subclauses 8.2 and 8.3 has been moved to

a new normative Annex A and 8.4 has been deleted;
– a new Clause 12 (Protection against other hazards) has been added;
– clauses dealing with marking and documentation have been amended.
The text of this standard is based on the following documents:
FDIS Report on voting
27/770/FDIS 27/778/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.
The French version of this standard has not been voted upon.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts of IEC 60519 series, under the general title Safety in electroheating

installations, can be found on the IEC website.

Future standards in this series will carry the new general title as cited above. Titles of

existing standards in this series will be updated at the time of a new edition.

The clauses of parts of the IEC 60519 series (hereinafter called Particular Requirements)

supplement or modify the corresponding clauses of Part 1. Where the text of subsequent

parts indicates an "addition" to or a "replacement" of the relevant provision of Part 1, these

changes are made to the relevant text of Part 1. Where no change is necessary, the words

"This clause of Part 1 is applicable" are used. Additional specific provisions to those in

Part 1 are given in the Particular Requirements as additional clauses, subclauses or

Annexes.

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
 reconfirmed;
 withdrawn;
 replaced by a revised edition, or
 amended.
---------------------- Page: 11 ----------------------
SIST EN 60519-1:2011
– 6 – 60519-1 Ó IEC:2010
INTRODUCTION

International Standard IEC 60519 Safety in electroheating installations consists of several

parts. Part 1 comprises clauses of a general character and provisions common to various

types of industrial electroheating installations or equipment. Subsequent parts of the

IEC 60519 series (hereinafter called Particular Requirements) contain specific provisions

for particular types of electroheating installations or equipment.
Part 1: General requirements
Part 2: Particular requirements for resistance heating equipment

Part 3: Particular requirements for induction and conduction heating and induction

melting installations
Part 4: Particular requirements for arc furnace installations
Part 5: Specifications for safety in plasma installations
Part 6: Specifications for safety in industrial microwave heating equipment
Part 7: Particular requirements for installations with electron guns
Part 8: Particular requirements for electroslag remelting furnaces

Part 9: Particular requirements for high-frequency dielectric heating installations

Part 10: Particular requirements for electrical resistance trace heating systems for

industrial and commercial applications

Part 11: Particular requirements for installations using the effect of electromagnetic

forces on liquid metals
Part 21: Particular requirements for resistance heating equipment – Heating and
melting glass equipment

NOTE Additional parts covering particular industrial electroheating installations or equipment may be prepared in

the future.
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SIST EN 60519-1:2011
60519-1 Ó IEC:2010 – 7 –
SAFETY IN ELECTROHEATING INSTALLATIONS –
Part 1: General requirements
1 Scope and object

This part of IEC 60519 specifies the general safety requirements applicable to industrial

electroheating installations.

In case these requirements differ from those of other IEC publications, an equivalent

degree of safety is ensured.

The requirements apply to industrial installations, intended for electroheating and

electroheat based treatment technologies, with the possible use of the following equipment:

– equipment for direct and indirect resistance heating;
– equipment for electric resistance trace heating;
– equipment for induction heating;
– equipment using the effect of EM forces on liquid metals;
– equipment for arc heating, including submerged arc heating;
– equipment for electroslag remelting;
– equipment for plasma heating;
– equipment for microwave heating;
– equipment for dielectric heating;
– equipment for electron beam heating;
– equipment for laser heating;
– equipment for infrared radiation heating.

NOTE 1 The list presents typical examples of equipment used in installations covered by this standard and is not

exhaustive.

This standard is not applicable for heating appliances for household (e.g. electric cooking),

laboratory or medical applications or for welding equipment, if covered by other particular

standards, nor does it apply to any kind of space heating.

This standard refers to normal operation of industrial electroheating installations. It is

intended to ensure the safety of persons also in the case of abnormal operation and when

faults occur in electroheating installations. This standard presumes that the installations are

operated and maintained only by personnel consisting of instructed or skilled persons,

respectively.

The object of this standard is to specify the general safety requirements for electroheating

installations. These safety requirements concern the protection of persons and the

environment against dangers of electrical origin and also against certain dangers of non-

electrical origin, common to all types of equipment and installations.

Certain clauses of this standard concern not only safety of personnel but also protection of

the environment.

The overall safety requirements result from the joint application of the general requirements

specified in this standard and Particular Requirements concerning the specific industrial

---------------------- Page: 13 ----------------------
SIST EN 60519-1:2011
– 8 – 60519-1 Ó IEC:2010

application of electroheat. These Particular Requirements supplement, modify or replace

the general requirements.

The Particular Requirements cover particular safety relevant features such as high voltages

and electric fields or high currents and magnetic fields, also with respect to the frequencies.

NOTE 2 Information on non-electrical hazards possibly arising from the utilization of industrial electroheating

equipment may also be taken from European Standard EN 746-1 (see Bibliography), which specifies common safety

requirements for industrial thermoprocessing equipment.

General test methods for industrial electroheating installations are specified in IEC 60398.

2 Normative references

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.

IEC 60050-841:2004, International Electrotechnical Vocabulary – Part 841: Industrial

electroheat

IEC 60071-1, Insulation co-ordination – Part 1: Definitions, principles and rules

IEC 60110-1:1998, Power capacitors for induction heating installations – Part 1: General

IEC 60204-1:2005 , Safety of machinery – Electrical equipment of machines – Part 1:

General requirements
Amendment 1 (2008)
IEC 60204-11, Safety of machinery – Electrical equipment of machines – Part 11:
Requirements for HV e
...

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