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

This part of IEC 60204 applies to the application of electrical and electronic equipment and systems to hoisting machines and related equipment. The equipment covered by this standard commences at the point of connection of the supply to the electrical equipment of the hoisting machine (crane-supply-switch) including systems for power supply and control feeders situated outside of the hoisting machine, for example, flexible cables or conductor wires or conductor bars (see Figure 3). This standard is applicable to equipment or parts of equipment not exceeding 1 000 V a.c. or 1 500 V d.c. between lines and with nominal frequencies not exceeding 200 Hz. Additional and special requirements can apply to the electrical equipment of hoisting machines including those that - are intended for use in open air (i.e., outside buildings or other protective structures); - handle or transport potentially explosive material (for example, paint or sawdust); - are intended for use in potentially explosive and/or flammable atmospheres; - are intended for use in mines. For the purposes of this standard, 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 standard does not cover individual items of electrical equipment other than their selection for use and their erection.

Sicherheit von Maschinen - Elektrische Ausrüstung von Maschinen - Teil 32: Anforderungen für Hebezeuge

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

La CEI 60204-32 :2008 s'applique aux équipements et systèmes électriques et électroniques des appareils de levage et à leurs équipements associés. L'équipement traité dans la présente norme 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 (voir Figure 3). Elle 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. Les appareils de levage comprennent les grues de tous types, les treuils de tous types et les machines de stockage et d'extraction. Les modifications techniques significatives par rapport à l'édition précédente sont:  - la suppression de l'Article 11 de l'édition précédente;  - la modification de la structure de la liaison équipotentielle (Article 8);  - la séparation des fonctions de commande (Article 9) et des appareils (Article 10);  - la structure de la documentation technique (Article 17);  - la vérification de la protection par coupure automatique de l'alimentation (18.2);  - le paragraphe 9.2.7 sur les commandes sans fil a été modifié.",PE

Varnost strojev - Električna oprema strojev - 32. del: Posebne zahteve za dvigovalne stroje (IEC 60204-32:2008)

General Information

Status
Published
Publication Date
08-Dec-2008
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
14-Nov-2008
Due Date
19-Jan-2009
Completion Date
09-Dec-2008

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 60204-32:2009
01-januar-2009
1DGRPHãþD
SIST EN 60204-32:2000
9DUQRVWVWURMHY(OHNWULþQDRSUHPDVWURMHYGHO3RVHEQH]DKWHYH]D
GYLJRYDOQHVWURMH ,(&
Safety of machinery - Electrical equipment of machines -- Part 32: Requirements for
hoisting machines
Sicherheit von Maschinen - Elektrische Ausrüstung von Maschinen - Teil 32:
Anforderungen für Hebezeuge
Sécurité des machines - Équipement électrique des machines -- Partie 32: Exigences
pour les appareils de levage
Ta slovenski standard je istoveten z: EN 60204-32:2008
ICS:
13.110 Varnost strojev Safety of machinery
53.020.01 Dvigalne naprave na splošno Lifting appliances in general
SIST EN 60204-32:2009 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN 60204-32:2009

---------------------- Page: 2 ----------------------

SIST EN 60204-32:2009

EUROPEAN STANDARD
EN 60204-32

NORME EUROPÉENNE
September 2008
EUROPÄISCHE NORM

ICS 29.020; 53.020.01 Supersedes EN 60204-32:1998


English version


Safety of machinery -
Electrical equipment of machines -
Part 32: Requirements for hoisting machines
(IEC 60204-32:2008)


Sécurité des machines -  Sicherheit von Maschinen -
Équipement électrique des machines - Elektrische Ausrüstung von Maschinen -
Partie 32: Exigences Teil 32: Anforderungen
pour les appareils de levage für Hebezeuge
(CEI 60204-32:2008) (IEC 60204-32:2008)




This European Standard was approved by CENELEC on 2008-07-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels


© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60204-32:2008 E

---------------------- Page: 3 ----------------------

SIST EN 60204-32:2009
EN 60204-32:2008 - 2 -
Foreword
The text of document 44/574/FDIS, future edition 2 of IEC 60204-32, prepared by IEC TC 44, Safety of
machinery - Electrotechnical aspects, was submitted to the IEC-CENELEC parallel vote and was
approved by CENELEC as EN 60204-32 on 2008-07-01.
This European Standard supersedes EN 60204-32:1998.
EN 60204-32:2008 includes the following significant technical changes with respect to
EN 60204-32:1998.
a) Changes to EN 60204-1:2006 have been incorporated, especially:
– deletion of Clause 11 of EN 60204-1:1997;
– modification of the structure of equipotential bonding (Clause 8);
– separation of control functions (Clause 9) and devices (Clause 10);
– structure of technical documentation (Clause 17);
– verification of protection by automatic disconnection of supply (18.2).
b) Subclause 9.2.7 on cableless controls has been modified.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2009-04-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2011-07-01
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directives 98/37/EC and 2006/42/EC. See Annex ZZ.
Annexes ZA and ZZ have been added by CENELEC.
__________

---------------------- Page: 4 ----------------------

SIST EN 60204-32:2009
- 3 - EN 60204-32:2008
Endorsement notice
The text of the International Standard IEC 60204-32:2008 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60038 NOTE  Harmonized as HD 472 S1:1989 (modified).
IEC 60204-11 NOTE  Harmonized as EN 60204-11:2000 (not modified).
IEC 60204-31 NOTE  Harmonized as EN 60204-31:1998 (modified).
IEC 60228 NOTE  Harmonized as EN 60228:2005 (not modified).
IEC 60269-1 NOTE  Harmonized as EN 60269-1:2007 (not modified).
IEC 60320-1 NOTE  Harmonized as EN 60320-1:2001 (not modified).
IEC 60335 NOTE  Harmonized in EN 60335 series (partially modified).
IEC 60364 NOTE  Harmonized in EN/HD 60364 series (modified).
IEC 60870-5-1 NOTE  Harmonized as EN 60870-5-1:1993 (not modified).
IEC 60898 NOTE  Harmonized in EN 60898 series (modified).
IEC 60909 NOTE  Harmonized in EN 60909 series (not modified).
IEC 60947-5-2 NOTE  Harmonized as EN 60947-5-2:2007 (not modified).
IEC 61000-6-1 NOTE  Harmonized as EN 61000-6-1:2007 (not modified).
IEC 61000-6-2 NOTE  Harmonized as EN 61000-6-2:2005 (not modified).
IEC 61000-6-3 NOTE  Harmonized as EN 61000-6-3:2007 (not modified).
IEC 61000-6-4 NOTE  Harmonized as EN 61000-6-4:2007 (not modified).
IEC 61180-2 NOTE  Harmonized as EN 61180-2:1994 (not modified).
IEC 61496-1 NOTE  Harmonized as EN 61496-1:2004 (modified).
IEC 61557 NOTE  Harmonized in EN 61557 series (not modified).
IEC 61558-2-17 NOTE  Harmonized as EN 61558-2-17:1997 (not modified).
IEC 61800 NOTE  Harmonized in EN 61800 series (not modified).
IEC 61984 NOTE  Harmonized as EN 61984:2001 (not modified).
IEC 62305 NOTE  Harmonized in EN 62305 series (not modified).
ISO 14122-1 NOTE  Harmonized as EN ISO 14122-1:2001 (not modified).
ISO 14122-2 NOTE  Harmonized as EN ISO 14122-2:2001 (not modified).
ISO 14122-3 NOTE  Harmonized as EN ISO 14122-3:2001 (not modified).
__________

---------------------- Page: 5 ----------------------

SIST EN 60204-32:2009
EN 60204-32:2008 - 4 -

Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.

Publication Year Title EN/HD Year

2)
1)
IEC 60034-1 Rotating electrical machines - EN 60034-1 2004
-
Part 1: Rating and performance


2)

1)
IEC 60034-5 Rotating electrical machines - EN 60034-5 2001
-
Part 5: Degrees of protection provided by the
integral design of rotating electrical machines
(IP code) - Classification


2)
1)
IEC 60034-11 Rotating electrical machines - EN 60034-11 2004
-
Part 11: Thermal protection


IEC 60068-2-27 1987 Basic environmental testing procedures - EN 60068-2-27 1993
Part 2: Tests - Test Ea and guidance: Shock


IEC 60068-2-32 1975 Environmental testing -

+ A2 1990 Part 2: Tests. Test Ed: Free fall EN 60068-2-32 1993


1)
IEC 60072-1 Dimensions and output series for rotating - -
-
electrical machines -
Part 1: Frame numbers 56 to 400 and flange
numbers 55 to 1 080



1)
IEC 60072-2 Dimensions and output series for rotating - -
-
electrical machines -
Part 2: Frame numbers 355 to 1 000 and
flange numbers 1 180 to 2 360


2)
1)
IEC 60073 Basic and safety principles for man-machine EN 60073 2002
-
interface, marking and identification - Coding
principles for indicators and actuators


2)

1)
IEC 60309-1 Plugs, socket-outlets and couplers for EN 60309-1 1999
-
industrial purposes - + A11 2004
Part 1: General requirements


IEC 60332 Series Tests on electric and optical fibre cables EN 60332 Series
under fire conditions


2)
1)
IEC 60364-1 Low-voltage electrical installations - HD 60364-1 2008
-
(mod) Part 1: Fundamental principles, assessment
of general characteristics, definitions


IEC 60364-4-41 2005 Low-voltage electrical installations - HD 60364-4-41 2007
(mod) Part 4-41: Protection for safety - Protection + corr. July 2007
against electric shock


IEC 60364-4-42 2001 Electrical installations of buildings - - -
Part 4-42: Protection for safety - Protection
against thermal effects



1)
Undated reference.
2)
Valid edition at date of issue.

---------------------- Page: 6 ----------------------

SIST EN 60204-32:2009
- 5 - EN 60204-32:2008
Publication Year Title EN/HD Year

IEC 60364-4-43 2001 Electrical installations of buildings - - -
Part 4-43: Protection for safety - Protection
against overcurrent


IEC 60364-5-52 2001 Electrical installations of buildings - - -
Part 5-52: Selection and erection of electrical
equipment - Wiring systems


IEC 60364-5-53 2001 Electrical installations of buildings - - -
3)
+ A1 (mod) 2002 Part 5-53: Selection and erection of electrical HD 60364-5-534 2008
equipment - Isolation, switching and control


IEC 60364-5-54 2002 Electrical installations of buildings - HD 60364-5-54 2007
(mod) Part 5-54: Selection and erection of electrical
equipment - Earthing arrangements,
protective conductors and protective bonding
conductors


IEC 60364-6 2006 Low voltage electrical installations - HD 60364-6 2007
(mod) Part 6: Verification


IEC 60417 Data Graphical symbols for use on equipment - -
base


IEC 60439-1 1999 Low-voltage switchgear and controlgear EN 60439-1 1999
A1 2004 assemblies - A1 2004
Part 1: Type-tested and partially type-tested
assemblies


2)

1)
IEC 60445 Basic and safety principles for man-machine EN 60445 2007
-
(mod) interface, marking and identification -
Identification of equipment terminals and
conductor terminations


4)
IEC 60446 1999 Basic and safety principles for man-machine EN 60446 1999
interface, marking and identification -
Identification of conductors by colours or
numerals


2)
1)
IEC 60447 Basic and safety principles for man-machine EN 60447 2004
-
interface, marking and identification -
Actuating principles


IEC 60529 1989 Degrees of protection provided by enclosures EN 60529 1991
 (IP Code) + corr. May 1993
A1 1999 A1 2000


IEC 60617 Data Graphical symbols for diagrams - -
base


IEC 60664-1 2007 Insulation coordination for equipment within EN 60664-1 2007
low-voltage systems -
Part 1: Principles, requirements and tests


IEC 60898 Series Electrical accessories - Circuit breakers for EN 60898 Series
(mod) overcurrent protection for household and
similar installations


IEC 60947-1 2007 Low-voltage switchgear and controlgear - EN 60947-1 2007
Part 1: General rules


IEC 60947-2 2006 Low-voltage switchgear and controlgear - EN 60947-2 2006
Part 2: Circuit-breakers



3)
IEC 60364-5-53:2001/A1:2002, Clause 534: “Devices for protection against overvoltages” is harmonized as
HD 60364-5-534.
4)
EN 60446:1999 is superseded by EN 60446:2007, which is based on IEC 60446:2007.

---------------------- Page: 7 ----------------------

SIST EN 60204-32:2009
EN 60204-32:2008 - 6 -
Publication Year Title EN/HD Year

2)

1)
IEC 60947-3 Low-voltage switchgear and controlgear - EN 60947-3 1999
-
Part 3: Switches, disconnectors, switch-
disconnectors and fuse-combination units


IEC 60947-4-1 2000 Low-voltage switchgear and controlgear - EN 60947-4-1 2001
A1 2002 Part 4-1: Contactors and motor-starters - A1 2002
Electromechanical contactors and motor-
starters


IEC 60947-5-1 2003 Low-voltage switchgear and controlgear - EN 60947-5-1 2004
Part 5-1: Control circuit devices and switching + corr. July 2005
elements - Electromechanical control circuit
devices


IEC 61082-1 2006 Preparation of documents used in EN 61082-1 2006
electrotechnology -
Part 1: Rules


2)
1)
IEC 61140 Protection against electric shock - Common EN 61140 2002
-
aspects for installation and equipment


IEC 61180-2 1994 High-voltage test techniques for low-voltage EN 61180-2 1994
equipment -
Part 2: Test equipment


IEC 61310 Series Safety of machinery - Indication, marking EN 61310 Series
and actuation


IEC 61346 Series Industrial systems, installations and EN 61346 Series
equipment and industrial products -
Structuring principles and reference
designations


2)
1)
IEC 61557-3 Electrical safety in low voltage distribution EN 61557-3 2007
-
systems up to 1 000 V a.c. and 1 500 V d.c. -
Equipment for testing, measuring or
monitoring of protective measures -
Part 3: Loop impedance


2)
1)
IEC 61558-1 Safety of power transformers, power EN 61558-1 2005
-
supplies, reactors and similar products - + corr. August 2006
Part 1: General requirements and tests


2)
1)
IEC 61558-2-6 Safety of power transformers, power supply EN 61558-2-6 1997
-
units and similar -
Part 2-6: Particular requirements for safety
isolating transformers for general use


IEC 61800-5-2 2007 Adjustable speed electrical power drive EN 61800-5-2 2007
systems -
Part 5-2: Safety requirements - Functional


2)

1)
IEC 61984 Connectors - Safety requirements and tests EN 61984 2001
-


2)
1)
IEC 62023 Structuring of technical information and EN 62023 2000
-
documentation


2)

1)
IEC 62027 Preparation of parts lists EN 62027 2000
-


2)
1)
IEC 62061 Safety of machinery - Functional safety of EN 62061 2005
-
safety-related electrical, electronic and
programmable electronic control systems


2)
1)
IEC 62079 Preparation of instructions - Structuring, EN 62079 2001
-
content and presentation


ISO 7000 2004 Graphical symbols for use on equipment - - -
Index and synopsis

---------------------- Page: 8 ----------------------

SIST EN 60204-32:2009
- 7 - EN 60204-32:2008
Publication Year Title EN/HD Year

2)

1)
ISO 12100-1 Safety of machinery - Basic concepts, EN ISO 12100-1 2003
-
general principles for design -
Part 1: Basic terminology, methodology


ISO 12100-2 2003 Safety of machinery - Basic concepts, EN ISO 12100-2 2003
general principles for design -
Part 2: Technical principles


ISO 13849-1 2006 Safety of machinery - Safety-related parts EN ISO 13849-1 2006
of control systems -
Part 1: General principles for design


ISO 13849-2 2003 Safety of machinery - Safety-related parts EN ISO 13849-2 2003
of control systems -
Part 2: Validation


ISO 13850 2006 Safety of machinery - Emergency stop - EN ISO 13850 2008
Principles for design


ISO 13851 2002 Safety of machinery - Two-hand control - -
devices - Functional aspects and design
principles


ISO 13852 1996 Safety of machinery - Safety distances to - -
prevent danger zones being reached by the
upper limbs

---------------------- Page: 9 ----------------------

SIST EN 60204-32:2009
EN 60204-32:2008 - 8 -
Annex ZZ
(informative)

Coverage of Essential Requirements of EC Directives

Annex ZZA
(informative)

Coverage of Essential Requirements of Directive 98/37/EC
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers the
following essential requirements out of those given in Annex I of the EC Directive 98/37/EC:
– 1.2 (except 1.2.4 "Complex installations")
– 1.5.1
– 1.5.4 (for faulty electrical connection)
– 1.6.3 (for isolation of electrical supplies of machinery)
– 1.6.4 (for access to electrical equipment)
– 1.7.0
– 1.7.1
– 1.7.2 (for residual risks of electrical nature)
– 1.7.4 c) (for electrical equipment)
– 4.2.1.3
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.

---------------------- Page: 10 ----------------------

SIST EN 60204-32:2009
- 9 - EN 60204-32:2008
Annex ZZB
(informative)

Coverage of Essential Requirements of Directive 2006/42/EC
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers the
following essential requirements out of those given in Annex I of the EC Directive 2006/42/EC:
– 1.2.1
– 1.2.2
– 1.2.3
– 1.2.4.1
– 1.2.4.3
– 1.2.5
– 1.2.6
– 1.5.1
– 1.5.4 (for faulty electrical connection)
– 1.6.3 (for isolation of electrical supplies of machinery)
– 1.6.4 (for access to electrical equipment)
– 1.7.1.1
– 1.7.1.2
– 1.7.2 (for residual risks of electrical nature)
– 1.7.4.2 e) (for electrical equipment)
– 3.3 (for cableless controls)
– 4.2.1
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
__________

---------------------- Page: 11 ----------------------

SIST EN 60204-32:2009

---------------------- Page: 12 ----------------------

SIST EN 60204-32:2009
IEC 60204-32
Edition 2.0 2008-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE


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

Sécurité des machines – Equipement électrique des machines –
Partie 32: Exigences pour les appareils de levage

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XF
CODE PRIX
ICS 29.020; 53.020.01 ISBN 2-8318-9630-4

---------------------- Page: 13 ----------------------

SIST EN 60204-32:2009
– 2 – 60204-32 © IEC:2008
CONTENTS
FOREWORD.9
INTRODUCTION.11

1 Scope.14
2 Normative references.15
3 Terms and definitions .18
4 General requirements .26
4.1 General considerations .26
4.2 Selection of equipment .27
4.2.1 General .27
4.2.2 Selection of power contactors .27
4.2.3 Electrical equipment in compliance with the IEC 60439 series .27
4.3 Electrical supply .27
4.3.1 General .27
4.3.2 AC supplies .27
4.3.3 DC supplies .28
4.3.4 On-board power supply .28
4.4 Physical environment and operating conditions .29
4.4.1 General .29
4.4.2 Electromagnetic compatibility (EMC) .29
4.4.3 Ambient air temperature.30
4.4.4 Humidity .30
4.4.5 Altitude .30
4.4.6 Contaminants .30
4.4.7 Ionizing and non-ionizing radiation .30
4.4.8 Vibration, shock, and bump.30
4.5 Transportation and storage .30
4.6 Provisions for handling .31
4.7 Installation.31
5 Incoming supply conductor terminations and devices for disconnecting and
switching off .31
5.1 Incoming supply conductor terminations.31
5.2 Terminal for connection to the external protective earthing system .31
5.3 Supply disconnecting and switching devices.32
5.3.1 General .32
5.3.2 Type .32
5.3.3 Requirements .34
5.3.4 Operating means .34
5.3.5 Crane-supply-switch.34
5.3.6 Crane-disconnector.35
5.3.7 Crane-switch.36
5.3.8 Special circuits .37
5.4 Devices for switching off for prevention of unexpected start-up.37
5.5 Devices for disconnecting electrical equipment .38
5.6 Protection against unauthorized, inadvertent and/or mistaken connection.39
6 Protection against electric shock.39
6.1 General .39

---------------------- Page: 14 ----------------------

SIST EN 60204-32:2009
60204-32 © IEC:2008 – 3 –
6.2 Protection against direct contact .39
6.2.1 General .39
6.2.2 Protection by enclosures .39
6.2.3 Protection by insulation of live parts .40
6.2.4 Protection against residual voltages .41
6.2.5 Protection by barriers.41
6.2.6 Protection by placing out of reach or protection by obstacles .41
6.3 Protection against indirect contact .41
6.3.1 General .41
6.3.2 Prevention of the occurrence of a touch voltage .42
6.3.3 Protection by automatic disconnection of supply.42
6.4 Protection by the use of PELV.43
6.4.1 General requirements .43
6.4.2 Sources for PELV .43
7 Protection of equipment .43
7.1 General .43
7.2 Overcurrent protection .44
7.2.1 General .44
7.2.2 Supply conductors .44
7.2.3 Power circuits .44
7.2.4 Control circuits.45
7.2.5 Socket outlets and their associated conductors .45
7.2.6 Lighting circuits.45
7.2.7 Transformers .45
7.2.8 Location of overcurrent protective devices.45
7.2.9 Overcurrent protective devices.45
7.2.10 Rating and setting of overcurrent protective devices.46
7.3 Protection of motors against overheating .46
7.3.1 General .46
7.3.2 Overload protection.47
7.3.3 Over-temperature protection .47
7.3.4 Current limiting protection .47
7.4 Abnormal temperature protection .47
7.5 Protection against supply interruption or voltage reduction and subsequent
restoration .47
7.6 Motor overspeed protection.48
7.7 Earth fault/residual current protection.48
7.8 Phase-sequence protection.48
7.9 Protection against switching surges and lightning.48
8 Equipotential bonding .49
8.1 General .49
8.2 Protective bonding circuit.51
8.2.1 General .51
8.2.2 Protective conductors .51
8.2.3 Continuity of the protective bonding circuit .52
8.2.4 Exclusion of switching devices from the protective bonding circuit .52
8.2.5 Parts that need not be connected to the protective bonding circuit .53
8.2.6 Protective conductor connecting points .53

---------------------- Page: 15 ----------------------

SIST EN 60204-32:2009
– 4 – 60204-32 © IEC:2008
8.2.7 Additional protective bonding requirements for electrical equipment
having earth leakage
...

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