IEC 60519-1:2020
(Main)Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements
Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements
IEC 60519-1:2020 specifies the general safety requirements for industrial installations or equipment intended for electroheating (EH) and electroheating based treatment technologies as well as for electromagnetic processing of materials (EPM). This document deals with the significant hazards, hazardous situations or hazardous events relevant to industrial EH and EPM equipment, as listed in Annex A, for normal operation and for single fault condition as well as under conditions of reasonably foreseeable misuse. This sixth edition cancels and replaces the fifth edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- removal of noise from the scope;
- clarification of EMC requirements;
- risk classification of hazards based on emission for all processing frequencies;
- clarification of boundaries between IEC 60519 (all parts) and ISO 13577 (all parts).
Sécurité dans les installations destinées au traitement électrothermique et électromagnétique - Partie 1: Exigences générales
L’IEC 60519-1:2020 spécifie les exigences générales de sécurité relatives aux installations ou équipements industriels destinés à l’électrothermie (EH) et aux technologies de traitement fondées sur l’électrothermie ainsi qu’au traitement électromagnétique des matériaux (EPM). Le présent document traite des dangers significatifs, des situations dangereuses ou des événements dangereux liés aux équipements industriels EH et EPM, tels qu’ils sont répertoriés dans l’Annexe A, dans des conditions de fonctionnement normal et en condition de premier défaut ainsi que dans des conditions de mauvaise utilisation raisonnablement prévisibles. Cette sixième édition annule et remplace la cinquième édition parue en 2015. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
- suppression du bruit du domaine d’application;
- clarification des exigences relatives à la CEM;
- classification des risques associés aux dangers, fondée sur l’émission pour toutes les fréquences de traitement;
- clarification des limites entre l’IEC 60519 (toutes les parties) et l’ISO 13577 (toutes les parties).
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IEC 60519-1 ®
Edition 6.0 2020-03
REDLINE VERSION
INTERNATIONAL
STANDARD
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Safety in installations for electroheating and electromagnetic processing –
Part 1: General requirements
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IEC 60519-1 ®
Edition 6.0 2020-03
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Safety in installations for electroheating and electromagnetic processing –
Part 1: General requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.180.10 ISBN 978-2-8322-4200-1
– 2 – IEC 60519-1:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope and object . 10
2 Normative references . 11
3 Terms, definitions and abbreviated terms . 16
3.1 General concepts . 16
3.2 Equipment and state of equipment . 18
3.3 Parts and accessories . 19
3.4 Safety related concepts . 21
3.5 Abbreviated terms . 23
4 Classification and subdivision of equipment and installations . 24
4.1 Classification by processing frequency. 24
4.2 Classification by voltage . 25
4.3 Subdivision of installation and equipment . 25
4.3.1 Subdivision into parts . 25
4.3.2 Hierarchy and structure of requirements . 28
4.4 Classification of hazards and risks . 28
4.4.1 Classification of hazards . 28
4.4.2 Classification of risks . 29
4.4.3 Limits .
5 Risk assessment . 30
6 General provisions. 30
6.1 Basic considerations . 30
6.2 Significant hazards . 32
6.3 Physical environment and operating conditions for the installation as such
and electrical equipment outside the processing equipment . 32
6.4 Physical environment and operating conditions for electrical equipment
inside caused by operation of the processing equipment . 33
6.5 Power supply . 34
6.6 Access . 34
6.7 Ergonomic aspects . 35
6.8 Transport and storage . 35
6.9 Provisions for handling. 36
6.10 Consumables and replaceable parts . 36
7 Protection against hazards from electric shock . 36
7.1 General . 36
7.2 Fundamental rule of protection . 36
7.3 General provisions . 37
7.4 Basic protection . 38
7.5 Provisions for protection in electric single fault condition . 39
7.6 Protective equipotential bonding . 40
7.7 Additional provisions for fault protection for frequencies above 200 Hz . 42
7.8 Protective conductor currents Currents in protective conductors . 43
7.9 Touch current and touch voltage . 44
7.10 Conductors and insulations at high temperature . 44
7.11 Non-electric faults . 45
8 Protection against hazards caused by from electric or magnetic nearfields fields . 45
8.1 General . 45
8.2 Magnetic fields . 45
8.3 Magnetic fields below 1 Hz . 45
8.4 Local electric fields . 46
8.5 Requirements related to barriers and screens . 46
8.6 Requirements related to objects worn, carried or held by persons . 47
9 Protection against hazards from radiation . 48
9.1 General . 48
9.2 Installation or equipment generating ionizing radiation . 48
9.3 Ultraviolet radiation . 49
9.4 Visible and infrared radiation . 50
9.5 Laser sources . 50
10 Protection against hazards from thermal influences . 50
10.1 General . 50
10.2 Surface temperature limits for protection against burn . 51
10.3 Hazards caused by working conditions . 51
10.4 Heat Temperature resistance of components . 52
10.5 Cooling . 52
10.6 Over-temperature protection . 53
11 Protection against hazards from fire . 54
12 Protection against hazards from fluids . 55
12.1 General . 55
12.2 Poisonous and injurious gases and substances fluids . 56
12.3 Explosion and implosion of pressurised parts or vacuum equipment . 56
13 Specific requirements for components and subassemblies . 56
13.1 General . 56
13.2 Electrical equipment and conductors . 56
13.3 Connection to the electrical supply network and internal connections . 57
13.4 Isolation and switching . 58
13.5 Sensors and actuators safeguarding moving parts . 59
13.6 Motors . 59
13.7 Non electric-heating means . 59
13.8 Lighting . 59
13.9 Structural parts and stability. 59
13.10 Doors, windows and other openings . 59
13.11 Transformers, inductors, capacitors . 59
13.12 Handheld applicators . 60
13.13 Vacuum system . 60
13.14 Protective and reactive gas generator . 60
14 Control of the installation or equipment . 60
14.1 General . 60
14.2 Operator control unit . 61
14.3 Emergency stop . 61
14.4 Control systems and their safety functions . 62
14.5 Controlgear . 63
14.6 Protective devices . 64
14.7 Over-temperature protective device protection devices and systems . 65
– 4 – IEC 60519-1:2020 RLV © IEC 2020
14.8 Overpressure safety device . 65
15 Protection against mechanical hazards . 66
16 Protection against hazards resulting from use . 67
16.1 Particular hazards in processing of food, feed, cosmetics and similar
intended for human or animal consumption . 67
Radio frequency interference .
Particular hazards in electroheating and electromagnetic processing .
16.2 Combination equipment . 67
Protection against other hazards .
General .
Sonic, infra- and ultra-sonic pressure .
17 EMC . 68
17.1 Radio frequency interference . 68
17.2 Immunity . 68
18 Verification and testing . 68
18.1 General . 68
18.2 Performing measurements and tests . 72
18.3 Verification of conformity with limits for electric or magnetic fields
requirements from references . 73
18.4 Examination of drawings or calculations . 73
18.5 Visual inspection . 73
18.6 Measurements . 74
18.6.1 Environment and operating conditions inside the processing equipment . 74
18.6.2 Impedance of protective bonding . 74
18.6.3 Insulation resistance measurement up to 200 Hz . 74
18.6.4 Measurement of electric or magnetic fields . 74
18.6.5 Touch current measurement . 74
18.6.6 Measurement of ionising radiation . 75
18.6.7 Measurement of non-coherent optical irradiation measurement. 75
18.6.8 Measurement of coherent optical radiation including emission from
LEDs . 76
18.6.9 Surface temperature measurement . 76
Sound level measurement .
18.6.10 Temperature of structural components subject to heat . 76
18.7 Functional tests . 76
18.7.1 Protection by automatic disconnection of supply . 76
18.7.2 Voltage test . 76
18.7.3 Dielectric test . 76
18.7.4 Accessibility of live parts . 76
18.7.5 Protective devices and systems . 77
18.8 Numerical calculations and modelling . 77
18.8.1 General . 77
18.8.2 Numerical assessment of short circuit currents . 77
18.8.3 Numerical assessment of electric or magnetic fields emission . 77
18.8.4 Numerical assessment of optical radiation emission . 78
19 Information for use . 79
19.1 General requirements . 79
19.2 Location and nature of the information for use . 79
19.3 Signalling and warning devices . 79
19.4 Markings, pictograms, written warnings . 80
19.5 Instruction handbook(s) / installation, commissioning, operation,
maintenance, and decommissioning manual(s) . 81
Annex A (informative) List of significant hazards .
Annex B (informative) Electric and magnetic fields, touch currents – limits of
exposure hazards .
Annex C (informative) Optical radiation – limits of exposure hazards .
Annex D (informative) Limits for exposure hazards – noise and vibration .
Annex E (normative) Provisions concerning EMC .
Annex F (normative) Marking and warning .
Annex G (informative) Guidelines on using this standard .
Annex H (informative) Connection with ISO 13577 series .
Annex A (normative) List of significant hazards . 108
Annex B (normative) Limits to touch currents . 114
B.1 General . 114
B.2 Risk classes . 115
B.3 Body model . 115
Annex C (normative) Non coherent optical radiation – Limits and risk classes. 117
C.1 General . 117
C.2 Boundary of the installation or equipment and assessment . 117
C.3 Non-coherent optical radiation – Risk classes . 118
C.3.1 Approach . 118
C.3.2 Optical radiation – Risk class 0 . 118
C.3.3 Risk class 1 (low risk) . 118
C.3.4 Risk class 2 (moderate risk). 119
C.3.5 Risk class 3 (high risk) . 119
C.3.6 Pulsed equipment . 119
C.3.7 Radiation from laser sources . 119
Annex D (normative) Electric and magnetic fields . 120
D.1 General . 120
D.2 Boundary of the installation or equipment and assessment . 120
D.3 Risk classes . 120
D.3.1 General . 120
D.3.2 Risk class 0 . 121
D.3.3 Risk class 1 (low risk) . 121
D.3.4 Risk class 2 (moderate risk). 121
D.3.5 Risk class 3 (high risk) . 121
Annex E (normative) Surface temperature limits . 122
Annex F (normative) EH, EPM and fire. 123
F.1 Occurrence of fire . 123
F.2 Inherently safe design measures . 123
F.3 Safeguarding and/or complementary protective measures . 123
F.4 Information for use . 124
Annex G (normative) Marking and warning . 125
G.1 Electromagnetic field hazards . 125
G.2 Touch currents and surfaces . 125
G.3 Optical radiation hazards . 126
– 6 – IEC 60519-1:2020 RLV © IEC 2020
G.4 Symbols and signs used for markings and warnings. 126
Annex H (informative) Guidelines on using this document . 128
H.1 Guidelines . 128
H.2 Examples of EH and EPM equipment . 129
Annex I (informative) Connection with ISO 13577 (all parts). 130
Annex J (informative) Requirements specific to the EU and associated countries. 131
J.1 General . 131
J.2 Connection with ISO 13577 series . 131
Bibliography . 132
Figure 1 – Block diagram of a typical EH or EPM installation . 26
Figure B.1 – Maximum allowed touch and contact currents between 1 kHz to 100 kHz . 114
Figure B.2 – Complex impedances of various parts of the body, 1 kHz to 6 MHz . 116
Figure G.1 – Examples of marking for magnetic and electric fields . 125
Figure G.2 – Examples of marking for touch current . 125
Figure G.3 – Examples of marking for optical radiation . 126
Figure J.1 – Hierarchy of standards applicable to thermoprocessing machinery . 131
Table 1 – Equipment, processing frequency and safety-relevant frequency limits . 24
Table 2 – Typical EH or EPM installation – Listing of parts and references . 27
Table 3 – Safety classification scheme for exposure risks to humans . 29
Table 4 – Classification of thermal protective measures . 53
Table 5 – Methods for the verification of requirements . 69
Table A.1 – List of hazards dealt with in this document . 108
Table B.1 – Risk classification for hazards from touch currents . 115
Table C.1 – Risk classification for optical radiation (UV, VIS, IR) . 117
Table E.1 – Surface temperature limits in normal operation . 122
Table G.1 – Examples of symbols and signs for use in EH or EPM installations . 126
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SAFETY IN INSTALLATIONS FOR ELECTROHEATING
AND ELECTROMAGNETIC PROCESSING –
Part 1: General requirements
FOREWORD
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6) All users should ensure that they have the latest edition of this publication.
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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.
This redline version of the official IEC Standard allows the user to identify the changes
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has been made. Additions are in green text, deletions are in strikethrough red text.
– 8 – IEC 60519-1:2020 RLV © IEC 2020
International Standard IEC 60519-1 has been prepared by IEC technical committee 27:
Industrial electroheating and electromagnetic processing.
This sixth edition cancels and replaces the fifth edition published in 2015. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) removal of noise from the scope;
b) clarification of EMC requirements;
c) risk classification of hazards based on emission for all processing frequencies;
d) clarification of boundaries between IEC 60519 (all parts) and ISO 13577 (all parts).
The text of this International Standard is based on the following documents:
FDIS Report on voting
27/1121/FDIS 27/1123/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
In this document, the following print types are used:
– requirements and definitions: in roman type;
– NOTES: in smaller roman type;
– terms used throughout this standard which have been defined in Clause 3: in bold type.
A list of all parts in the IEC 605019 series, published under the general title Safety in
installations for electroheating and electromagnetic processing, can be found on the IEC
website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
INTRODUCTION
This fifth edition of IEC 60519-1 is a product safety publication and is intended to:
– include all types of installations or equipment that are in the scope of IEC TC 27 dealing
with industrial electroheating (EH) and electromagnetic processing of materials (EPM);
– cover in these General Requirements all hazards that are relevant for more than one type
of equipment or installation individually dealt with in Particular Requirements;
– give requirements on electrical safety, touch currents, electric fields, magnetic fields and
radiation, thus mirroring the broad scope of installations covered and their processing
frequency;
– give means for verification of the requirements;
– make extensive use of the standards developed by IEC committees with horizontal or
group safety functions and of relevant ISO standards by reference, including publications
developed by ISO/TC 244 (more information is given in Annex H), in compliance with
IEC Guide 104;
– be useable like a type-C standard in the sense of ISO 12100;
– include all material, references and requirements suitable for risk assessment and list
significant hazards.
This standard adresses mainly manufacturers making made-to-order equipment on a single
project base. The manufacturer is well aware that it is his responsibility to make equipment
safe through adequate risk reduction and it is the responsibility of the user to assess
exposure of the operator in line with applicable health and safety regulations. Looking at
projects providing single pieces of equipment or single installations, this clear division of
responsibilities tends to blur, caused by inter alia
– development of the process (normal operation) through the manufacturer and user,
– shared definition of working procedures for the operator by the manufacturer and user,
– the scope of delivery often including all protective means,
– individual sales contracts where users require an assessment of exposure through the
manufacturer.
Thus this standards provides information on exposure hazards and limits where relevant, well
aware that this is exceeding the scope of a product standard.
These general requirements apply to all industrial EH and EPM equipment, unless an
exception is given in the Particular requirements dealing with specific equipment in other
parts of the IEC 60519 series. The provisions of other parts of the IEC 60519 series that
directly apply to specific types of equipment take precedence over the provisions of this
document.
Annex I and Annex J provide orientation with respect to the application of ISO 13577-1 in
combination with this document.
This document presumes that the installation or equipment is operated and maintained only
by personnel consisting of skilled or instructed persons.
This document is intended for verifying whether the EH or EPM installation or equipment
meets the safety requirements of this document through design, site acceptance tests, routine
tests or inspection.
Annex H provides a guide on the use of this document and a list of typical industrial EH and
EPM processes.
– 10 – IEC 60519-1:2020 RLV © IEC 2020
SAFETY IN INSTALLATIONS FOR ELECTROHEATING
AND ELECTROMAGNETIC PROCESSING –
Part 1: General requirements
1 Scope and object
1.1 Scope
This part of IEC 60519 specifies the general safety requirements for industrial installations or
equipment intended for electroheating (EH) and electroheating based treatment
technologies as well as for electromagnetic processing of materials (EPM). This document
deals with the significant hazards, hazardous situations or hazardous events relevant to
industrial EH and EPM equipment, as listed in Annex A, for normal operation and for single
fault condition as well as under conditions of reasonably foreseeable misuse.
The requirements are applicable to industrial installations or equipment with the possible use
as:
– equipment for direct and indirect resistance heating,
– equipment for electric resistance trace heating,
– equipment for induction heating,
– equipment using the effect of electromagnetic forces on materials,
– equipment for arc heating, including submerged arc heating,
– equipment for electroslag remelting,
– equipment for plasma heating and plasma surface treatment,
– equipment for microwave heating,
– equipment for dielectric heating,
– equipment using electron guns,
– equipment for infrared radiation heating,
– equipment for laser heating.
NOTE The list presents typical examples of equipment and its applications and is not exhaustive.
The overall safety requirements for the various types of EH or EPM equipment and
installations result from the joint application of the General Requirements specified in this
standard and Particular Requirements covering specific types of installations or equipment
(guidelines are given in Annex G). If no Particular Requirement is covering a specific
installation or equipment, the General Requirements are applicable as such.
This document specifies the requirements intended to be met by the manufacturer to ensure
the safety of persons and property during the complete life cycle of the equipment from design
through commissioning, operation, maintenance, inspection, to decommissioning, as well as
in the event of foreseeable single fault condition that can occur in the equipment.
The rated voltage of EH and EPM equipment can be in the range of low voltage; details are
given in 4.2.
This document does not apply to equipment and appliances within the scope of
– IEC 60079 (all parts) – i.e. equipment or installations intended for use in potentially
explosive atmospheres;
– IEC 60335 (all parts) – i.e. household, commercial and similar electrical appliances,
including room heating;
– IEC 60601 (all parts) – i.e. medical electrical equipment;
– IEC 60974 (all parts) – i.e. arc welding equipment;
– IEC 61010 (all parts) – i.e. equipment for laboratory use.
1.2 Object
The requirements refer to the complete life cycle of the installation or equipment from design
through commissioning, operation, maintenance, inspection, to decommissioning. They cover
the safety of persons and protection of the environment during normal operation and under
single-fault condition.
This standard presumes that the installation or equipment is operated and maintained only by
personnel consisting of skilled or instructed persons.
This standard is intended for verifying that the EH or EPM equipment or installation meets
the requirements of this standard through design, site acceptance tests, routine tests or
inspection.
This document does not provide requirements for type testing.
NOTE Industrial equipment covered by this document is typically produced as a single unit or a very small number
of units; such unit usually has a very high value and can cause severe harm at disintegration.
This document does not address data security and hazards arising from neglect of security.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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 60071-1:2006 , Insulation co-ordination – Part 1: Definitions, principles and rules
IEC 60071-1:2006/AMD1:2010
IEC 60204-1:20052016, Safety of machinery – Electrical equipment of machines – Part 1:
General requirements
IEC 60204-1:2005/AMD1:2008
IEC 60204-11:20002018, Safety of machinery – Electrical equipment of machines – Part 11:
Requirements for HV equipment for voltages above 1 000 V AC or 1 500 V DC and not
exceeding 36 kV
IEC 60228:2004, Conductors of insulated cables
IEC 60335-1:2010 , Household and similar electrical appliances – Safety – Part 1: General
requirements
IEC 60335-1:2010/AMD1:2013
IEC 60335-1:2010/AMD2:2016
____________
A consolidated version of this publication exists, comprising IEC 60071-1:2006 and IEC 60071-
1:2006/AMD1:2010.
A consolidated version of this publication exists, comprising IEC 60335-1:2010, IEC 60335-1:2010/AMD1:2013
and IEC 60335-1:2010/AMD2:2016.
– 12 – IEC 60519-1:2020 RLV © IEC 2020
IEC 60335-2-24, Household and similar electrical appliances – Safety – Part 2-24: Particular
requirements for refrigerating appliances, ice-cream appliances and ice makers
IEC 60335-2-89, Household and similar electrical appliances – Safety – Part 2-89: Particular
requirements for commercial refrigerating appliances with an incorporated or remote
refrigerant unit or compressor
IEC 60364-1:2005, Low-voltage electrical installations – Part 1: Fundamental principles,
assessment of general characteristics, definitions
IEC 60364-4-41:2005 , Low-voltage electrical installations – Part 4-41: Protection for safety –
Protection against electric shock
IEC 60364-4-41:2005/AMD1:2017
IEC 60364-4-42:2010 , Low-voltage electrical installations – Part 4-42: Protection for safety –
Protection against thermal effects
IEC 60364-4-42:2010/AMD1:2014
IEC 60364-4-44:2007 , Low-voltage electrical installations – Part 4-44: Protection for safety –
Protection against voltage disturbances and electromagnetic disturbances
IEC 60364-4-44:2007/AMD1:2015
IEC 60364-4-44:2007/AMD2:2018
IEC 60364-5-53:2001 , Electrical installations of buildings – Part 5-53: Selection and erection
of electrical equipment – Isolation, switching and control
IEC 60364-5-53:2001/AMD1:2002
IEC 60364-5-53:2001/AMD2:2015
IEC 60364-5-54:2011, Low-voltage electrical installations – Part 5-54: Selection and erection
of electrical equipment – Earthing arrangements and protective conductors
IEC 60398:2015 , Installations for electroheating and electromagnetic processing – General
performance test methods
IEC 60417, Graphical symbols for use on equipment (available at http://www.graphical-
symbols.info/equipment)
IEC 60445:2017, Basic and safety principles for man-machine interface, marking and
ide
...
IEC 60519-1 ®
Edition 6.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety in installations for electroheating and electromagnetic processing –
Part 1: General requirements
Sécurité dans les installations destinées au traitement électrothermique
et électromagnétique –
Partie 1: Exigences générales
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IEC 60519-1 ®
Edition 6.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety in installations for electroheating and electromagnetic processing –
Part 1: General requirements
Sécurité dans les installations destinées au traitement électrothermique
et électromagnétique –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.180.10 ISBN 978-2-8322-7898-7
– 2 – IEC 60519-1:2020 © IEC 2020
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and abbreviated terms . 14
3.1 General concepts . 14
3.2 Equipment and state of equipment . 16
3.3 Parts and accessories . 17
3.4 Safety related concepts . 19
3.5 Abbreviated terms . 20
4 Classification and subdivision of equipment and installations . 21
4.1 Classification by processing frequency. 21
4.2 Classification by voltage . 22
4.3 Subdivision of installation and equipment . 23
4.3.1 Subdivision into parts . 23
4.3.2 Hierarchy and structure of requirements . 25
4.4 Classification of hazards and risks . 25
4.4.1 Classification of hazards . 25
4.4.2 Classification of risks . 26
5 Risk assessment . 26
6 General provisions. 27
6.1 Basic considerations . 27
6.2 Significant hazards . 28
6.3 Physical environment and operating conditions for the installation as such
and electrical equipment outside the processing equipment . 28
6.4 Physical environment and operating conditions for electrical equipment
caused by operation of the processing equipment . 29
6.5 Power supply . 30
6.6 Access . 31
6.7 Ergonomic aspects . 31
6.8 Transport and storage . 31
6.9 Provisions for handling. 32
6.10 Consumables and replaceable parts . 32
7 Protection against hazards from electric shock . 32
7.1 General . 32
7.2 Fundamental rule of protection . 32
7.3 General provisions . 33
7.4 Basic protection . 34
7.5 Provisions for protection in electric single fault condition . 35
7.6 Protective equipotential bonding . 36
7.7 Additional provisions for fault protection for frequencies above 200 Hz . 38
7.8 Currents in protective conductors . 39
7.9 Touch current and touch voltage . 39
7.10 Conductors and insulations at high temperature . 40
7.11 Non-electric faults . 40
8 Protection against hazards from electric or magnetic fields . 40
8.1 General . 40
8.2 Magnetic fields . 40
8.3 Magnetic fields below 1 Hz . 41
8.4 Local electric fields . 41
8.5 Requirements related to barriers and screens . 41
8.6 Requirements related to objects worn, carried or held by persons . 42
9 Protection against hazards from radiation . 43
9.1 General . 43
9.2 Installation or equipment generating ionizing radiation . 43
9.3 Ultraviolet radiation . 44
9.4 Visible and infrared radiation . 44
9.5 Laser sources . 45
10 Protection against hazards from thermal influences . 45
10.1 General . 45
10.2 Surface temperature limits for protection against burn . 45
10.3 Hazards caused by working conditions . 46
10.4 Temperature resistance of components. 46
10.5 Cooling . 46
10.6 Over-temperature protection . 47
11 Protection against hazards from fire . 48
12 Protection against hazards from fluids . 48
12.1 General . 48
12.2 Poisonous and injurious fluids . 49
12.3 Explosion and implosion of pressurised parts or vacuum equipment . 50
13 Specific requirements for components and subassemblies . 50
13.1 General . 50
13.2 Electrical equipment and conductors . 50
13.3 Connection to the electrical supply network and internal connections . 51
13.4 Isolation and switching . 52
13.5 Sensors and actuators safeguarding moving parts . 52
13.6 Motors . 52
13.7 Non electric-heating means . 52
13.8 Lighting . 53
13.9 Structural parts and stability. 53
13.10 Doors, windows and other openings . 53
13.11 Transformers, inductors, capacitors . 53
13.12 Handheld applicators . 53
13.13 Vacuum system . 54
13.14 Protective and reactive gas generator . 54
14 Control of the installation or equipment . 54
14.1 General . 54
14.2 Operator control unit . 54
14.3 Emergency stop . 55
14.4 Control systems and their safety functions . 55
14.5 Controlgear . 56
14.6 Protective devices . 57
14.7 Over-temperature protection devices and systems . 57
14.8 Overpressure safety device . 58
– 4 – IEC 60519-1:2020 © IEC 2020
15 Protection against mechanical hazards . 58
16 Protection against hazards resulting from use . 59
16.1 Particular hazards in processing of food, feed, cosmetics and similar
intended for human or animal consumption . 59
16.2 Combination equipment . 59
17 EMC . 59
17.1 Radio frequency interference . 59
17.2 Immunity . 60
18 Verification and testing . 60
18.1 General . 60
18.2 Performing measurements and tests . 62
18.3 Verification of requirements from references . 63
18.4 Examination of drawings or calculations . 63
18.5 Visual inspection . 63
18.6 Measurements . 63
18.6.1 Environment and operating conditions inside the processing equipment . 63
18.6.2 Impedance of protective bonding . 63
18.6.3 Insulation resistance measurement . 64
18.6.4 Measurement of electric or magnetic fields . 64
18.6.5 Touch current measurement . 64
18.6.6 Measurement of ionising radiation . 64
18.6.7 Measurement of non-coherent optical irradiation . 64
18.6.8 Measurement of coherent optical radiation. 65
18.6.9 Surface temperature measurement . 65
18.6.10 Temperature of structural components subject to heat . 65
18.7 Functional tests . 65
18.7.1 Protection by automatic disconnection of supply . 65
18.7.2 Voltage test . 65
18.7.3 Dielectric test . 65
18.7.4 Accessibility of live parts . 65
18.7.5 Protective devices and systems . 66
18.8 Numerical calculations and modelling . 66
18.8.1 General . 66
18.8.2 Numerical assessment of short circuit currents . 66
18.8.3 Numerical assessment of electric or magnetic emission . 66
18.8.4 Numerical assessment of optical radiation emission . 67
19 Information for use . 67
19.1 General requirements . 67
19.2 Location and nature of the information for use . 68
19.3 Signalling and warning devices . 68
19.4 Markings, pictograms, written warnings . 68
19.5 Instruction handbook . 69
Annex A (normative) List of significant hazards . 73
Annex B (normative) Limits to touch currents . 79
B.1 General . 79
B.2 Risk classes . 80
B.3 Body model . 80
Annex C (normative) Non coherent optical radiation – Limits and risk classes. 82
C.1 General . 82
C.2 Boundary of the installation or equipment and assessment . 82
C.3 Non-coherent optical radiation – Risk classes . 83
C.3.1 Approach . 83
C.3.2 Optical radiation – Risk class 0 . 83
C.3.3 Risk class 1 (low risk) . 83
C.3.4 Risk class 2 (moderate risk). 84
C.3.5 Risk class 3 (high risk) . 84
C.3.6 Pulsed equipment . 84
C.3.7 Radiation from laser sources . 84
Annex D (normative) Electric and magnetic fields . 85
D.1 General . 85
D.2 Boundary of the installation or equipment and assessment . 85
D.3 Risk classes . 85
D.3.1 General . 85
D.3.2 Risk class 0 . 86
D.3.3 Risk class 1 (low risk) . 86
D.3.4 Risk class 2 (moderate risk). 86
D.3.5 Risk class 3 (high risk) . 86
Annex E (normative) Surface temperature limits . 87
Annex F (normative) EH, EPM and fire. 88
F.1 Occurrence of fire . 88
F.2 Inherently safe design measures . 88
F.3 Safeguarding and/or complementary protective measures . 88
F.4 Information for use . 89
Annex G (normative) Marking and warning . 90
G.1 Electromagnetic field hazards . 90
G.2 Touch currents and surfaces . 90
G.3 Optical radiation hazards . 91
G.4 Symbols and signs used for markings and warnings. 91
Annex H (informative) Guidelines on using this document . 93
H.1 Guidelines . 93
H.2 Examples of EH and EPM equipment . 94
Annex I (informative) Connection with ISO 13577 (all parts). 95
Annex J (informative) Requirements specific to the EU and associated countries. 96
J.1 General . 96
J.2 Connection with ISO 13577 series . 96
Bibliography . 97
Figure 1 – Block diagram of a typical EH or EPM installation . 23
Figure B.1 – Maximum allowed touch and contact currents between 1 kHz to 100 kHz . 79
Figure B.2 – Complex impedances of various parts of the body, 1 kHz to 6 MHz . 81
Figure G.1 – Examples of marking for magnetic and electric fields . 90
Figure G.2 – Examples of marking for touch current . 90
Figure G.3 – Examples of marking for optical radiation . 91
Figure J.1 – Hierarchy of standards applicable to thermoprocessing machinery . 96
– 6 – IEC 60519-1:2020 © IEC 2020
Table 1 – Equipment, processing frequency and safety-relevant frequency limits . 22
Table 2 – Typical EH or EPM installation – Listing of parts and references . 24
Table 3 – Safety classification scheme for risks to humans . 26
Table 4 – Classification of thermal protective measures . 47
Table 5 – Methods for the verification of requirements . 61
Table A.1 – List of hazards dealt with in this document . 73
Table B.1 – Risk classification for hazards from touch currents . 80
Table C.1 – Risk classification for optical radiation (UV, VIS, IR) . 82
Table E.1 – Surface temperature limits in normal operation . 87
Table G.1 – Examples of symbols and signs for use in EH or EPM installations . 91
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SAFETY IN INSTALLATIONS FOR ELECTROHEATING
AND ELECTROMAGNETIC PROCESSING –
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
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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 and electromagnetic processing.
This sixth edition cancels and replaces the fifth edition published in 2015. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) removal of noise from the scope;
b) clarification of EMC requirements;
c) risk classification of hazards based on emission for all processing frequencies;
d) clarification of boundaries between IEC 60519 (all parts) and ISO 13577 (all parts).
– 8 – IEC 60519-1:2020 © IEC 2020
The text of this International Standard is based on the following documents:
FDIS Report on voting
27/1121/FDIS 27/1123/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
In this document, the following print types are used:
– requirements and definitions: in roman type;
– NOTES: in smaller roman type;
– terms used throughout this standard which have been defined in Clause 3: in bold type.
A list of all parts in the IEC 605019 series, published under the general title Safety in
installations for electroheating and electromagnetic processing, can be found on the IEC
website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
INTRODUCTION
These general requirements apply to all industrial EH and EPM equipment, unless an
exception is given in the Particular requirements dealing with specific equipment in other
parts of the IEC 60519 series. The provisions of other parts of the IEC 60519 series that
directly apply to specific types of equipment take precedence over the provisions of this
document.
Annex I and Annex J provide orientation with respect to the application of ISO 13577-1 in
combination with this document.
This document presumes that the installation or equipment is operated and maintained only
by personnel consisting of skilled or instructed persons.
This document is intended for verifying whether the EH or EPM installation or equipment
meets the safety requirements of this document through design, site acceptance tests, routine
tests or inspection.
Annex H provides a guide on the use of this document and a list of typical industrial EH and
EPM processes.
– 10 – IEC 60519-1:2020 © IEC 2020
SAFETY IN INSTALLATIONS FOR ELECTROHEATING
AND ELECTROMAGNETIC PROCESSING –
Part 1: General requirements
1 Scope
This part of IEC 60519 specifies the general safety requirements for industrial installations or
equipment intended for electroheating (EH) and electroheating based treatment
technologies as well as for electromagnetic processing of materials (EPM). This document
deals with the significant hazards, hazardous situations or hazardous events relevant to
industrial EH and EPM equipment, as listed in Annex A, for normal operation and for single
fault condition as well as under conditions of reasonably foreseeable misuse.
This document specifies the requirements intended to be met by the manufacturer to ensure
the safety of persons and property during the complete life cycle of the equipment from design
through commissioning, operation, maintenance, inspection, to decommissioning, as well as
in the event of foreseeable single fault condition that can occur in the equipment.
The rated voltage of EH and EPM equipment can be in the range of low voltage; details are
given in 4.2.
This document does not apply to equipment and appliances within the scope of
– IEC 60079 (all parts) – i.e. equipment intended for use in potentially explosive
atmospheres;
– IEC 60335 (all parts) – i.e. household, commercial and similar electrical appliances,
including room heating;
– IEC 60601 (all parts) – i.e. medical electrical equipment;
– IEC 60974 (all parts) – i.e. arc welding equipment;
– IEC 61010 (all parts) – i.e. equipment for laboratory use.
This document does not provide requirements for type testing.
NOTE Industrial equipment covered by this document is typically produced as a single unit or a very small number
of units; such unit usually has a very high value and can cause severe harm at disintegration.
This document does not address data security and hazards arising from neglect of security.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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 60071-1:2006 , Insulation co-ordination – Part 1: Definitions, principles and rules
IEC 60071-1:2006/AMD1:2010
____________
A consolidated version of this publication exists, comprising IEC 60071-1:2006 and IEC 60071-
1:2006/AMD1:2010.
IEC 60204-1:2016, Safety of machinery – Electrical equipment of machines – Part 1: General
requirements
IEC 60204-11:2018, Safety of machinery – Electrical equipment of machines – Part 11:
Requirements for equipment for voltages above 1 000 V AC or 1 500 V DC and not exceeding
36 kV
IEC 60228:2004, Conductors of insulated cables
IEC 60335-1:2010 , Household and similar electrical appliances – Safety – Part 1: General
requirements
IEC 60335-1:2010/AMD1:2013
IEC 60335-1:2010/AMD2:2016
IEC 60335-2-24, Household and similar electrical appliances – Safety – Part 2-24: Particular
requirements for refrigerating appliances, ice-cream appliances and ice makers
IEC 60335-2-89, Household and similar electrical appliances – Safety – Part 2-89: Particular
requirements for commercial refrigerating appliances with an incorporated or remote
refrigerant unit or compressor
IEC 60364-1:2005, Low-voltage electrical installations – Part 1: Fundamental principles,
assessment of general characteristics, definitions
IEC 60364-4-41:2005 , Low-voltage electrical installations – Part 4-41: Protection for safety –
Protection against electric shock
IEC 60364-4-41:2005/AMD1:2017
IEC 60364-4-42:2010 , Low-voltage electrical installations – Part 4-42: Protection for safety –
Protection against thermal effects
IEC 60364-4-42:2010/AMD1:2014
IEC 60364-4-44:2007 , Low-voltage electrical installations – Part 4-44: Protection for safety –
Protection against voltage disturbances and electromagnetic disturbances
IEC 60364-4-44:2007/AMD1:2015
IEC 60364-4-44:2007/AMD2:2018
IEC 60364-5-53:2001 , Electrical installations of buildings – Part 5-53: Selection and erection
of electrical equipment – Isolation, switching and control
IEC 60364-5-53:2001/AMD1:2002
IEC 60364-5-53:2001/AMD2:2015
IEC 60364-5-54:2011, Low-voltage electrical installations – Part 5-54: Selection and erection
of electrical equipment – Earthing arrangements and protective conductors
____________
A consolidated version of this publication exists, comprising IEC 60335-1:2010, IEC 60335-1:2010/AMD1:2013
and IEC 60335-1:2010/AMD2:2016.
A consolidated version of this publication exists, comprising IEC 60364-4-41:2005 and IEC 60364-4-
41:2005/AMD1:2017.
A consolidated version of this publication exists, comprising IEC 60364-4-42:2010 and IEC 60364-4-
42:2010/AMD1:2014.
A consolidated version of this publication exists, comprising IEC 60364-4-44:2007, IEC 60364-4-
44:2007/AMD1:2015 and IEC 60364-4-44:2007/AMD2:2018.
A consolidated version of this publication exists, comprising IEC 60364-5-53:2001, IEC 60364-5-
53:2001/AMD1:2002 and IEC 60364-5-53:2001/AMD2:2015.
– 12 – IEC 60519-1:2020 © IEC 2020
IEC 60398:2015, Installations for electroheating and electromagnetic processing – General
performance test methods
IEC 60417, Graphical symbols for use on equipment (available at http://www.graphical-
symbols.info/equipment)
IEC 60445:2017, Basic and safety principles for man-machine interface, marking and
identification – Identification of equipment terminals, conductor terminations and conductors
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 60825-1:2014, Safety of laser products – Part 1: Equipment classification and requirements
IEC 60865-1:2011, Short-circuit currents – Calculation of effects – Part 1: Definitions and
calculation methods
IEC 60909-0:2016, Short-circuit currents in three-phase a.c. systems – Part 0: Calculation of
currents
IEC 60990:2016, Methods of measurement of touch current and protective conductor current
IEC 61000-6-2:2016, Electromagnetic compatibility (EMC) – Part 6-2: Generic standards –
Immunity standard for industrial environments
IEC 61000-6-7:2014, Electromagnetic compatibility (EMC) – Part 6-7: Generic standards –
Immunity requirements for equipment intended to perform functions in a safety-related system
(functional safety) in industrial locations
IEC 61010-1:2010, Safety requirements for electrical equipment for measurement, control,
and laboratory use – Part 1: General requirements
IEC 61082-1:2014, Preparation of documents used in electrotechnology – Part 1: Rules
IEC 61310-1:2007, Safety of machinery – Indication, marking and actuation – Part 1:
Requirements for visual, acoustic and tactile signals
IEC 61310-2:2007, Safety of machinery – Indication, marking and actuation – Part 2:
Requirements for marking
IEC 61310-3:2007, Safety of machinery – Indication, marking and actuation – Part 3:
Requirements for the location and operation of actuators
IEC 61439 (all parts), Low-voltage switchgear and controlgear assemblies
IEC 61508-1:2010, Functional safety of electrical/electronic/programmable electronic safety-
related systems – Part 1: General requirements
IEC 61786-1:2013, Measurement of DC magnetic, AC magnetic and AC electric fields from
1 Hz to 100 kHz with regard to exposure of human beings – Part 1: Requirements for
measuring instruments
IEC 61786-2:2014, Measurement of DC magnetic, AC magnetic and AC electric fields from
1 Hz to 100 kHz with regard to exposure of human beings – Part 2: Basic standard for
measurements
IEC 61936-1:2010 , Power installations exceeding 1 kV a.c. – Part 1: Common rules
IEC 61936-1:2010/AMD1:2014
IEC 62061:2005 , Safety of machinery – Functional safety of safety-related electrical,
electronic and programmable electronic control systems
IEC 62061:2005/AMD1:2012
IEC 62061:2005/AMD2:2015
IEC 62271 (all parts), High-voltage switchgear and controlgear
IEC 62471:2006, Photobiological
...
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