IEC 60519-12:2013

IEC 60519-12 ®
Edition 1.0 2013-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Safety in electroheating installations –
Part 12: Particular requirements for infrared electroheating installations

Sécurité dans les installations électrothermiques –
Partie 12: Exigences particulières pour les installations électrothermiques par
rayonnement infrarouge
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IEC 60519-12 ®
Edition 1.0 2013-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Safety in electroheating installations –

Part 12: Particular requirements for infrared electroheating installations

Sécurité dans les installations électrothermiques –

Partie 12: Exigences particulières pour les installations électrothermiques par

rayonnement infrarouge
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX W
ICS 25.180.10 ISBN 978-2-83220-742-0

– 2 – 60519-12 © IEC:2013
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope and object . 7
2 Normative references . 8
3 Terms and definitions . 8
4 Classification of electroheating equipment . 11
5 General requirements . 11
6 Isolation and switching . 14
7 Connection to the electrical supply network and internal connections . 14
8 Protection against electric shock . 14
9 Equipotential bonding. 14
10 Control circuits and control functions . 14
11 Protection against thermal influences . 15
12 Protection against other hazards . 16
13 Marking, labelling and technical documentation . 17
14 Commissioning, inspection, operation and maintenance . 18
Annex A (normative) Protection against electric shock – special measures . 19
Annex AA (normative) Classification of infrared exposure . 20
Annex BB (normative) Measurement procedure . 24
Annex CC (normative) Qualified calculation of exposure . 26
Annex DD (normative) Protective measures against infrared radiation . 27
Annex EE (informative) Simplified measurement method for the assessment of thermal
infrared radiation exposure . 29
Annex FF (informative) Measurement device for total irradiance . 35
Annex GG (normative) Marking of emission or exposure . 36
Bibliography . 37

Figure AA.1 – Risk groups and exposure limits (see Table AA.2) depending on time of
exposure and irradiation . 23
Figure AA.2 – Risk groups and exposure limits (see Table AA.3) depending on time of
exposure and radiance . 23
Figure EE.1 – Factors for converting measured total irradiance into band irradiance,
depending on surface temperature of a grey emitter generating the signal . 31
Figure EE.2 – Factor for converting measured total radiance into relevant retinal thermal
radiance, depending on surface temperature of a grey emitter generating the signal . 34
Figure FF.1 – Example of a detector for total irradiance measurement . 35
Figure GG.1 – Example of warning marking for infrared radiation . 36

Table 101 – Procedure for assessment and reduction of radiation exposure through
design . 13
Table 102 – Thermal safety . 16
Table AA.1 – Classification of infrared electroheating equipment by emission of
radiation . 20
Table AA.2 – Exposure limits in the infrared, irradiance based values . 20

60519-12 © IEC:2013 – 3 –
Table AA.3 – Exposure limits in the infrared, radiance based values . 21
Table EE.1 – Measurement procedure . 29

– 4 – 60519-12 © IEC:2013
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SAFETY IN ELECTROHEATING INSTALLATIONS –

Part 12: Particular requirements for infrared electroheating installations

FOREWORD
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International Standard IEC 60519-12 has been prepared by IEC technical committee 27:
Industrial electroheating and electromagnetic processing.
The text of this standard is based on the following documents:
FDIS Report on voting
27/894/FDIS 27/905/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.
This publication has been d
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