IEC 60335-2-53:2011

Household and similar electrical appliances - Safety - Part 2-53: Particular requirements for sauna heating appliances and infrared cabins

IEC 60335-2-53:2011 deals with the safety of electric sauna heating appliances and infrared emitting units having a rated power input not exceeding 20 kW, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. The appliances covered by this standard are intended for use in the home and in public saunas located in blocks of flats, hotels and similar locations. This standard also deals with the safety of electric sauna heating appliances provided with a humidifier unit, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. The room air is humidified by evaporating or atomising water. This fourth edition cancels and replaces the third edition published in 2002 and its Amendment 1 (2007). It constitutes a technical revision. The principal changes in this edition as compared with the third edition of IEC 60335-2-53 are as follows:
- the scope is changed to cover infrared cabins;
- additional requirements for recessed sauna heaters are added;
- requirements of electronic interlocks are added (22.108).
The attention of National Committees is drawn to the fact that equipment organizations may need a transitional period following publication of a new, amended or revised IEC publication in which to make products in accordance with the new requirements and to equip themselves for conducting new or revised tests. It is the recommendation of the committee that the content of this publication be adopted for implementation nationally not earlier than 12 months or later than 36 months from the date of publication.
This publication is to be read in conjunction with  IEC 60335-1:2010.

Appareils électrodomestiques et analogues - Sécurité - Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et les cabines infrarouges

La CEI 60335-2-53:2011 traite de la sécurité des appareils de chauffage de saunas et des unités infrarouges électriques dont la puissance assignée n'est pas supérieure à 20 kW et dont la tension assignée n'est pas supérieure à 250 V pour les appareils monophasés et à 480 V pour les autres appareils. Les appareils couverts par la présente norme sont destinés à être utilisés dans les saunas d'habitation et les saunas publics situés dans des immeubles, des hôtels ou des lieux similaires. La présente norme traite également de la sécurité des appareils de chauffage de saunas comportant un élément humidificateur et dont la tension assignée n'est pas supérieure à 250 V pour les appareils monophasés et à 480 V pour les autres appareils. L'air de la pièce est humidifié en vaporisant ou en atomisant de l'eau. Cette quatrième édition annule et remplace la troisième édition parue en 2002 et son Amendement 1 (2007), dont elle constitue une révision technique. Par rapport à la troisième édition de la CEI 60335-2-53, les principales modifications indiquées ci-après ont été apportées dans la présente édition:
- le domaine d'application est modifié pour couvrir les cabines infrarouges;
- des exigences complémentaires sont ajoutées pour les radiateurs pour saunas destinés à être installés dans un renfoncement;
- des exigences pour les verrouillages électroniques sont ajoutées (22.108).
L'attention des Comités Nationaux est attirée sur le fait que les fabricants d'appareils et les organismes d'essai peuvent avoir besoin d'une période transitoire après la publication d'une novelle publication CEI, ou d'une publication amendée ou révisée, pour fabriquer des produits conformes aux nouvelles exigences et pour adapter leurs équipements aux nouveaux essais ou aux essais révisés. Le comité recommande que le contenu de cette publication soit entériné au niveau national au plus tôt 12 mois et au plus tard 36 mois après la date de publication.
Cette publication doit être lue conjointement avec la CEI 60335-1:2010.

General Information

• Status: Published
• Publication Date: 08-Mar-2021
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 97.100.10 - Electric heaters
• Technical Committee: TC 61 - Safety of household and similar electrical appliances
• Drafting Committee: MT 37 - TC 61/MT 37
• Current Stage: PPUB - Publication issued
• Start Date: 15-May-2011
• Completion Date: 20-Apr-2011

Relations

• Amended By: IEC 60335-2-53:2011/AMD2:2021 - Amendment 2 - Household and similar electrical appliances - Safety - Part 2-53: Particular requirements for sauna heating appliances and infrared cabins
• Effective Date: 05-Sep-2023
• Amended By: IEC 60335-2-53:2011/AMD1:2017 - Amendment 1 - Household and similar electrical appliances - Safety - Part 2-53: Particular requirements for sauna heating appliances and infrared cabins
• Effective Date: 05-Sep-2023
• Revises: IEC 60335-2-53:2002 - Household and similar electrical appliances - Safety - Part 2-53: Particular requirements for sauna heating appliances
• Effective Date: 05-Sep-2023
• Revises: IEC 60335-2-53:2002/AMD1:2007 - Amendment 1 - Household and similar electrical appliances - Safety - Part 2-53: Particular requirements for sauna heating appliances
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60335-2-53 ®
Edition 4.0 2011-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-53: Particular requirements for sauna heating appliances and infrared
cabins
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et les
cabines infrarouges
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or
IEC's member National Committee in the country of the requester.
If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,
please contact the address below or your local IEC member National Committee for further information.

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IEC 60335-2-53 ®
Edition 4.0 2011-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-53: Particular requirements for sauna heating appliances and infrared
cabins
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et les
cabines infrarouges
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX V
ICS 97.100.10 ISBN 978-2-88912-453-4

– 2 – 60335-2-53  IEC:2011
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 9
4 General requirement . 10
5 General conditions for the tests . 10
6 Classification . 10
7 Marking and instructions . 11
8 Protection against access to live parts . 14
9 Starting of motor-operated appliances . 14
10 Power input and current . 14
11 Heating . 14
12 Void. 15
13 Leakage current and electric strength at operating temperature . 15
14 Transient overvoltages . 15
15 Moisture resistance . 15
16 Leakage current and electric strength . 15
17 Overload protection of transformers and associated circuits . 15
18 Endurance . 15
19 Abnormal operation . 16
20 Stability and mechanical hazards . 18
21 Mechanical strength . 18
22 Construction . 19
23 Internal wiring . 21
24 Components . 22
25 Supply connection and external flexible cords . 22
26 Terminals for external conductors . 22
27 Provision for earthing . 22
28 Screws and connections . 22
29 Clearances, creepage distances and solid insulation . 23
30 Resistance to heat and fire . 23
31 Resistance to rusting . 23
32 Radiation, toxicity and similar hazards . 23
Annexes . 25
Annex R (normative) Software evaluation . 25
Annex AA (normative) Sauna room for testing sauna heating appliances . 26
Annex BB (normative) Estimation of the infrared radiation . 28
Bibliography . 30

Figure 101 – Temperature/relative humidity characteristic during normal operation . 24
Figure 102 – Temperature/relative humidity characteristic during abnormal operation . 24

60335-2-53  IEC:2011 – 3 –
Figure AA.1 – Sauna room . 27

Table 101 – Volume of sauna room . 16

– 4 – 60335-2-53  IEC:2011
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-53: Particular requirements for sauna
heating appliances and infrared cabins

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
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Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
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between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
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patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60335-2-53 has been prepared by IEC technical committee 61:
Safety of household and similar el
...

IEC 60335-2-53 ®
Edition 4.2 2021-03
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-53: Particular requirements for sauna heating appliances and infrared
cabins
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et
les cabines infrarouges
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite ni
utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et
les microfilms, sans l'accord écrit de l'IEC ou du Comité national de l'IEC du pays du demandeur. Si vous avez des
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About the IEC
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International Standards for all electrical, electronic and related technologies.

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IEC 60335-2-53 ®
Edition 4.2 2021-03
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colourcolour
insinsiidede
Household and similar electrical appliances – Safety –

Part 2-53: Particular requirements for sauna heating appliances and infrared

cabins
Appareils électrodomestiques et analogues – Sécurité –

Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et

les cabines infrarouges
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 97.100.10 ISBN 978-2-8322-9563-2

IEC 60335-2-53 ®
Edition 4.2 2021-03
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-53: Particular requirements for sauna heating appliances and infrared
cabins
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et
les cabines infrarouges
– 2 – IEC 60335-2-53:2011+AMD1:2017
+AMD2:2021 CSV  IEC 2021
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 9
2 Normative references . 10
3 Terms and definitions . 10
4 General requirement . 11
5 General conditions for the tests . 11
6 Classification . 12
7 Marking and instructions . 12
8 Protection against access to live parts . 15
9 Starting of motor-operated appliances . 15
10 Power input and current . 15
11 Heating . 15
12 Void. 16
13 Leakage current and electric strength at operating temperature . 16
14 Transient overvoltages . 17
15 Moisture resistance . 17
16 Leakage current and electric strength . 17
17 Overload protection of transformers and associated circuits . 17
18 Endurance . 17
19 Abnormal operation . 17
20 Stability and mechanical hazards . 20
21 Mechanical strength . 20
22 Construction . 21
23 Internal wiring . 24
24 Components . 24
25 Supply connection and external flexible cords . 24
26 Terminals for external conductors . 24
27 Provision for earthing . 24
28 Screws and connections . 24
29 Clearances, creepage distances and solid insulation . 25
30 Resistance to heat and fire . 25
31 Resistance to rusting . 25
32 Radiation, toxicity and similar hazards . 25
Annexes . 28
Annex R (normative) Software evaluation . 28
Annex AA (normative) Sauna room for testing sauna heating appliances . 29
Annex BB (normative) Estimation of the infrared radiation . 31
Bibliography . 33

Figure 101 – Temperature/relative humidity characteristic during normal operation . 25

+AMD2:2021 CSV  IEC 2021
Figure 102 – Temperature/relative humidity characteristic during abnormal operation . 26
Figure 103 – Examples of different types of sauna heating appliances . 27
Figure AA.1 – Sauna room . 30

Table 101 – Volume of sauna room . 18

– 4 – IEC 60335-2-53:2011+AMD1:2017
+AMD2:2021 CSV  IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION

____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-53: Particular requirements for sauna
heating appliances and infrared cabins

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 l
...

IEC 60335-2-53 ®
Edition 4.1 2017-01
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-53: Particular requirements for sauna heating appliances and infrared
cabins
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et les
cabines infrarouges
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
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Switzerland www.iec.ch
About the IEC
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International Standards for all electrical, electronic and related technologies.

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IEC 60335-2-53 ®
Edition 4.1 2017-01
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Household and similar electrical appliances – Safety –

Part 2-53: Particular requirements for sauna heating appliances and infrared

cabins
Appareils électrodomestiques et analogues – Sécurité –

Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et

les cabines infrarouges
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.120; 97.100.10 ISBN 978-2-8322-3920-9

IEC 60335-2-53 ®
Edition 4.1 2017-01
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Household and similar electrical appliances – Safety –
Part 2-53: Particular requirements for sauna heating appliances and infrared
cabins
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-53: Règles particulières pour les appareils de chauffage de saunas et les
cabines infrarouges
– 2 – IEC 60335-2-53:2011+AMD1:2017 CSV
 IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 9
2 Normative references . 10
3 Terms and definitions . 10
4 General requirement . 11
5 General conditions for the tests . 11
6 Classification . 11
7 Marking and instructions . 12
8 Protection against access to live parts . 15
9 Starting of motor-operated appliances . 15
10 Power input and current . 15
11 Heating . 15
12 Void. 16
13 Leakage current and electric strength at operating temperature . 16
14 Transient overvoltages . 16
15 Moisture resistance . 16
16 Leakage current and electric strength . 16
17 Overload protection of transformers and associated circuits . 16
18 Endurance . 16
19 Abnormal operation . 16
20 Stability and mechanical hazards . 19
21 Mechanical strength . 19
22 Construction . 20
23 Internal wiring . 22
24 Components . 22
25 Supply connection and external flexible cords . 22
26 Terminals for external conductors . 23
27 Provision for earthing . 23
28 Screws and connections . 23
29 Clearances, creepage distances and solid insulation . 23
30 Resistance to heat and fire . 23
31 Resistance to rusting . 23
32 Radiation, toxicity and similar hazards . 23
Annexes . 25
Annex R (normative) Software evaluation . 25
Annex AA (normative) Sauna room for testing sauna heating appliances . 26
Annex BB (normative) Estimation of the infrared radiation . 28
Bibliography . 30

Figure 101 – Temperature/relative humidity characteristic during normal operation . 24

 IEC 2017
Figure 102 – Temperature/relative humidity characteristic during abnormal operation . 24
Figure AA.1 – Sauna room . 27

Table 101 – Volume of sauna room . 17

– 4 – IEC 60335-2-53:2011+AMD1:2017 CSV
 IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-53: Particular requirements for sauna
heating appliances and infrared cabins
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 effort
...