Safety of machinery - Electrical equipment of machines - Part 32: Requirements for hoisting machines

IEC 60204-32:2023 applies to electrical, electronic, programmable electronic equipment and systems to hoisting machines and related equipment, including a group of hoisting machines working together in a co-ordinated manner. The equipment covered by this document commences at the point of connection of the supply to the electrical equipment of the hoisting machine (crane-supply-switch) and includes systems for power supply and control feeders situated outside of the hoisting machine, for example, flexible cables or conductor wires or conductor bars. This document is applicable to equipment or parts of equipment not exceeding 1 000 V AC or 1 500 V DC between lines and with nominal frequencies not exceeding 200 Hz. This document does not cover all the requirements (for example guarding, interlocking, or control) that are needed or required by other standards or regulations in order to protect persons from hazards other than electrical hazards. Each type of hoisting machine has unique requirements to be accommodated to provide adequate safety. This document does not cover noise risks. Additional and special requirements can apply to the electrical equipment of hoisting machines including those that
– handle or transport potentially explosive material (e.g. paint or sawdust);
– are intended for use in potentially explosive and/or flammable atmospheres;
– have special risks when transporting or moving certain materials;
– are intended for use in mines.
For the purposes of this document, hoisting machines include cranes of all types, winches of all types and storage and retrieval machines. The following product groups are included:
– overhead travelling cranes;
– mobile cranes;
– tower cranes;
– slewing luffing cranes;
– gantry cranes;
– offshore cranes;
– floating cranes;
– winches of all types;
– hoists and accessories;
– loader cranes;
– cable cranes;
– load holding devices;
– storage and retrieval machines;
– monorail hoists;
– straddle carriers;
– rubber tyred gantry cranes (RTGs).
This document does not cover individual items of electrical equipment other than their selection for use and their erection.
IEC 60204-32:2023 cancels and replaces the second edition published in 2008. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) alignment to the IEC 60204-1 sixth edition (2016) especially for:
– requirements for earthing and bonding;
– requirements for circuit protection;
– consideration of use of Power Drive Systems;
– protective bonding requirements and terminology;
– requirements pertaining to safe torque off for PDS, emergency stop, and control circuit protection;
– symbols for actuators of control devices;
b) reference for high voltage electrical equipment;
c) cableless control system requirements;
d) EMC requirements;
e) technical documentation requirements;
f) general updating to current special national conditions, normative standards, and bibliographical references.

Sécurité des machines - Équipement électrique des machines - Partie 32: Exigences pour les appareils de levage

L'IEC 60204-32:2023 s’applique aux équipements et systèmes électriques, électroniques et électroniques programmables des appareils de levage et à leurs équipements associés, y compris un groupe d’appareils de levage travaillant ensemble de manière coordonnée. L'équipement traité dans le présent document a pour origine le point de connexion de l'alimentation à l'équipement électrique de l'appareil de levage (sectionneur d'alimentation de l'appareil de levage), y compris l'alimentation de puissance et les alimentations de commande situées à l'extérieur de l'appareil de levage, par exemple, les câbles souples, les câbles conducteurs ou les barres conductrices. Le présent document s’applique aux équipements ou parties d'équipements dont la tension n'excède pas 1 000 V en courant alternatif et 1 500 V en courant continu entre phases, et dont la fréquence nominale n'excède pas 200 Hz.. Le présent document ne couvre pas toutes les exigences (par exemple, la protection, le verrouillage ou la commande) qui sont nécessaires ou exigées par d'autres normes ou règlements afin de protéger les personnes contre les dangers autres que les dangers électriques. Chaque type d'appareil de levage a des exigences uniques auxquelles il faut répondre pour assurer une sécurité adéquate. Le présent document ne couvre pas les risques liés au bruit. Des exigences complémentaires et particulières peuvent s’appliquer aux équipements électriques des appareils de levage, y compris ceux qui:
– manipulent ou transportent des matériaux potentiellement explosifs (par exemple, de la peinture ou de la sciure);
– sont destinés à être utilisés dans des atmosphères potentiellement explosives et/ou inflammables;
– présentent des risques particuliers lors du transport ou du déplacement de certains matériaux;
– sont destinés à être utilisés dans des mines.
Pour les besoins du présent document, les appareils de levage comprennent les grues de tous types, les treuils de tous types et les machines de stockage et d'extraction. Les familles de produits suivantes sont incluses:
– ponts roulants;
– grues mobiles;
– grues à tour;
– grues pivotantes à flèche relevable;
– portiques;
– grues offshore;
– grues flottantes;
– treuils de tous types;
– palans et accessoires;
– grues de chargement;
– grues à câble (blondins);
– accessoires de suspension de charge;
– machines de stockage et d'extraction;
– treuils suspendus avec rail de translation fixe;
– enjambeurs;
– portiques sur pneus.
Le présent document ne traite pas les éléments particuliers de l'équipement électrique, sauf pour leur choix et leur mise en œuvre.
L'IEC 60204-32:2023 annule et remplace la deuxième édition parue en 2008. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
a) L'alignement sur la sixième édition de l’IEC 60204-1 (2016) notamment pour:
– les exigences relatives à la mise à la terre et à la liaison;
– les exigences en matière de protection des circuits;
– l'examen de l'utilisation des entraînements électriques de puissance (PDS);
– les exigences et la terminologie relatives aux liaisons de protection;
– les exigences relatives au couple de sécurité pour les PDS, l'arrêt d'urgence et la protection des circuits de commande;
– les symboles des organes de commande des appareils de commande;
b) la référence pour les équipements électriques à haute tension;
c) les exigences relatives aux systèmes de commande sans fil;
d) les exigences relatives à la CEM;
e) les exigences en matière de documentation technique;
f) la mise à jour générale des conditions spéciales nationales actuelles, des normes et des références bibliographiques.

General Information

Status
Published
Publication Date
03-Jul-2023
Current Stage
PPUB - Publication issued
Start Date
30-Jun-2023
Completion Date
04-Jul-2023
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IEC 60204-32 ®
Edition 3.0 2023-07
COMMENTED VERSION
INTERNATIONAL
STANDARD
colour
inside
Safety of machinery – Electrical equipment of machines –
Part 32: Requirements for hoisting machines
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.

IEC Secretariat Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.

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If you wish to give us your feedback on this publication or
need further assistance, please contact the Customer Service
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IEC 60204-32 ®
Edition 3.0 2023-07
COMMENTED VERSION
INTERNATIONAL
STANDARD
colour
inside
Safety of machinery – Electrical equipment of machines –
Part 32: Requirements for hoisting machines
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.020, 53.020.01 ISBN 978-2-8322-7186-5

– 2 – IEC 60204-32:2023 CMV © IEC 2023
CONTENTS
FOREWORD . 11
INTRODUCTION . 14
1 Scope . 17
2 Normative references . 18
3 Terms, definitions and abbreviated terms . 22
3.1 Terms and definitions . 22
3.2 Abbreviated terms . 34
4 General requirements . 34
4.1 General considerations . 34
4.2 Selection of equipment . 35
4.2.1 General . 35
4.2.2 Selection of power contactors . 35
4.2.3 Electrical equipment in compliance with the IEC 60439 series .
4.2.3 Switchgear . 36
4.2.4 Selection of PDS . 36
4.3 Electrical supply . 36
4.3.1 General requirements . 36
4.3.2 AC supplies . 36
4.3.3 DC supplies. 36
4.3.4 On-board power supply Special supply systems . 37
4.4 Physical environment and operating conditions . 37
4.4.1 General . 37
4.4.2 Electromagnetic compatibility (EMC) . 37
4.4.3 Ambient air temperature . 38
4.4.4 Humidity . 38
4.4.5 Altitude . 38
4.4.6 Contaminants . 39
4.4.7 Ionizing and non-ionizing radiation . 39
4.4.8 Vibration, shock, and bump . 39
4.5 Transportation and storage . 39
4.6 Provisions for handling . 39
4.7 Installation . 39
5 Incoming supply conductor terminations and devices for disconnecting and
switching off. 39
5.1 Incoming supply conductor terminations . 39
5.2 Terminal for connection to of the external protective earthing system
conductor . 40
5.3 Supply disconnecting and switching devices . 41
5.3.1 General . 41
5.3.2 Type . 41
5.3.3 Requirements . 42
5.3.4 Operating means of the supply disconnecting device . 43
5.3.5 Crane-supply-switch . 44
5.3.6 Crane-disconnector . 45
5.3.7 Crane-switch . 46
5.3.8 Special Excepted circuits . 46

5.4 Devices for switching off removal of power for prevention of unexpected
start-up . 47
5.5 Devices for disconnecting isolating electrical equipment . 48
5.6 Protection against unauthorized, inadvertent and/or mistaken connection . 48
6 Protection against electric shock . 49
6.1 General . 49
6.2 Basic protection against direct contact . 49
6.2.1 General . 49
6.2.2 Protection by enclosures . 49
6.2.3 Protection by insulation of live parts . 50
6.2.4 Protection against residual voltages . 51
6.2.5 Protection by barriers . 51
6.2.6 Protection by placing out of reach or protection by obstacles . 51
6.3 Fault protection against indirect contact . 51
6.3.1 General . 51
6.3.2 Prevention of the occurrence of a touch voltage . 52
6.3.3 Protection by automatic disconnection of supply . 52
6.4 Protection by the use of PELV . 53
6.4.1 General requirements . 53
6.4.2 Sources for PELV . 54
7 Protection of equipment . 54
7.1 General . 54
7.2 Overcurrent protection . 55
7.2.1 General . 55
7.2.2 Supply conductors . 55
7.2.3 Power circuits . 55
7.2.4 Control circuits . 55
7.2.5 Socket outlets and their associated conductors . 56
7.2.6 Lighting circuits . 56
7.2.7 Transformers . 56
7.2.8 Location of overcurrent protective devices . 56
7.2.9 Overcurrent protective devices . 56
7.2.10 Rating and setting of overcurrent protective devices . 57
7.3 Protection of motors against overheating . 57
7.3.1 General . 57
7.3.2 Overload protection . 57
7.3.3 Over-temperature protection . 58
7.3.4 Current limiting protection .
7.4 Protection against abnormal temperature protection . 58
7.5 Protection against the effects of supply interruption or voltage reduction and
subsequent restoration . 58
7.6 Motor overspeed protection . 59
7.7 Additional earth fault/residual current protection . 59
7.8 Phase sequence protection . 59
7.9 Protection against overvoltages due to lightning and to switching surges and
lightning . 59
7.10 Short-circuit current rating . 60
8 Equipotential bonding . 60
8.1 General . 60

– 4 – IEC 60204-32:2023 CMV © IEC 2023
8.2 Protective bonding circuit . 63
8.2.1 General . 63
8.2.2 Protective conductors . 63
8.2.3 Continuity of the protective bonding circuit . 64
8.2.4 Exclusion of switching devices from the protective bonding circuit . 65
8.2.5 Parts that need not be connected to the protective bonding circuit . 65
8.2.6
...


IEC 60204-32 ®
Edition 3.0 2023-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety of machinery – Electrical equipment of machines –
Part 32: Requirements for hoisting machines
Sécurité des machines – Équipement électrique des machines –
Partie 32: Exigences pour les appareils de levage
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
questions sur le copyright de l'IEC ou si vous désirez obtenir des droits supplémentaires sur cette publication, utilisez
les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Secretariat Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews. With a subscription you will always have
committee, …). It also gives information on projects, replaced access to up to date content tailored to your needs.
and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 300 terminological entries in English
details all new publications released. Available online and once
and French, with equivalent terms in 19 additional languages.
a month by email.
Also known as the International Electrotechnical Vocabulary
(IEV) online.
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If you wish to give us your feedback on this publication or need
further assistance, please contact the Customer Service
Centre: sales@iec.ch.
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IEC 60204-32 ®
Edition 3.0 2023-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety of machinery – Electrical equipment of machines –
Part 32: Requirements for hoisting machines
Sécurité des machines – Équipement électrique des machines –
Partie 32: Exigences pour les appareils de levage
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.020, 53.020.01 ISBN 978-2-8322-7075-2
– 2 – IEC 60204-32:2023 © IEC 2023
CONTENTS
FOREWORD . 11
INTRODUCTION . 14
1 Scope . 17
2 Normative references . 18
3 Terms, definitions and abbreviated terms . 21
3.1 Terms and definitions . 21
3.2 Abbreviated terms . 31
4 General requirements . 32
4.1 General considerations . 32
4.2 Selection of equipment . 33
4.2.1 General . 33
4.2.2 Selection of power contactors . 33
4.2.3 Switchgear . 33
4.2.4 Selection of PDS . 33
4.3 Electrical supply . 33
4.3.1 General requirements . 33
4.3.2 AC supplies . 34
4.3.3 DC supplies . 34
4.3.4 Special supply systems. 34
4.4 Physical environment and operating conditions . 34
4.4.1 General . 34
4.4.2 Electromagnetic compatibility (EMC) . 35
4.4.3 Ambient air temperature . 35
4.4.4 Humidity . 35
4.4.5 Altitude . 35
4.4.6 Contaminants . 35
4.4.7 Ionizing and non-ionizing radiation. 35
4.4.8 Vibration, shock, and bump . 36
4.5 Transportation and storage . 36
4.6 Provisions for handling. 36
4.7 Installation . 36
5 Incoming supply conductor terminations and devices for disconnecting and
switching off . 36
5.1 Incoming supply conductor terminations . 36
5.2 Terminal for connection of the external protective conductor . 37
5.3 Supply disconnecting and switching devices . 37
5.3.1 General . 37
5.3.2 Type . 37
5.3.3 Requirements . 39
5.3.4 Operating means of the supply disconnecting device . 39
5.3.5 Crane-supply-switch . 40
5.3.6 Crane-disconnector . 41
5.3.7 Crane-switch . 42
5.3.8 Excepted circuits . 43
5.4 Devices for removal of power for prevention of unexpected start-up . 43
5.5 Devices for isolating electrical equipment . 44
5.6 Protection against unauthorized, inadvertent and/or mistaken connection . 45

6 Protection against electric shock . 45
6.1 General . 45
6.2 Basic protection . 45
6.2.1 General . 45
6.2.2 Protection by enclosures . 45
6.2.3 Protection by insulation of live parts . 46
6.2.4 Protection against residual voltages . 47
6.2.5 Protection by barriers . 47
6.2.6 Protection by placing out of reach or protection by obstacles . 47
6.3 Fault protection . 47
6.3.1 General . 47
6.3.2 Prevention of the occurrence of a touch voltage . 48
6.3.3 Protection by automatic disconnection of supply . 48
6.4 Protection by the use of PELV . 49
6.4.1 General requirements . 49
6.4.2 Sources for PELV . 50
7 Protection of equipment . 50
7.1 General . 50
7.2 Overcurrent protection . 51
7.2.1 General . 51
7.2.2 Supply conductors . 51
7.2.3 Power circuits . 51
7.2.4 Control circuits . 51
7.2.5 Socket outlets and their associated conductors . 52
7.2.6 Lighting circuits . 52
7.2.7 Transformers . 52
7.2.8 Location of overcurrent protective devices . 52
7.2.9 Overcurrent protective devices . 52
7.2.10 Rating and setting of overcurrent protective devices
...

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