SIST EN 62208:2012

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prazna ohišja za sestave nizkonapetostnih stikalnih in krmilnih naprav - Splošne zahteve (IEC 62208:2011)Leergehäuse für Niederspannungs-Schaltgerätekombinationen - Allgemeine Anforderungen (IEC 62208:2011)Enveloppes vides destinées aux ensembles d'appareillage à basse tension - Règles générales (CEI 62208:2011)Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements (IEC 62208:2011)29.130.20Nizkonapetostne stikalne in krmilne napraveLow voltage switchgear and controlgearICS:Ta slovenski standard je istoveten z:EN 62208:2011SIST EN 62208:2012en01-april-2012SIST EN 62208:2012SLOVENSKI
STANDARDSIST EN 62208:20041DGRPHãþD

EUROPEAN STANDARD EN 62208 NORME EUROPÉENNE
EUROPÄISCHE NORM October 2011
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2011 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62208:2011 E
ICS 29.130.20 Supersedes EN 62208:2003
English version
Empty enclosures for low-voltage switchgear
and controlgear assemblies -
General requirements (IEC 62208:2011)
Enveloppes vides destinées aux ensembles d'appareillage
à basse tension -
Exigences générales (CEI 62208:2011)
Leergehäuse für Niederspannungs-Schaltgerätekombinationen -
Allgemeine Anforderungen (IEC 62208:2011)
This European Standard was approved by CENELEC on 2011-09-23. 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 CEN-CENELEC Management Centre 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 CEN-CENELEC Management Centre has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, 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.
Foreword The text of document 17D/442/FDIS, future edition 2 of IEC 62208, prepared by SC 17D, "Low-voltage switchgear and controlgear assemblies", of IEC TC 17, "Switchgear and controlgear" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62208:2011.
The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-06-23 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2014-09-23
This document supersedes EN 62208:2003. EN 62208:2011 constitutes a technical revision and includes the following significant technical changes with respect to EN 62208:2003: – consideration of the restructured series of standards EN 61439; – alignment of test procedures with the newest relevant standards.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights.
Endorsement notice The text of the International Standard IEC 62208:2011 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 60216 series NOTE
Harmonized in EN 60216 series. IEC 60670 series NOTE
Harmonized in EN 60670 series. IEC/TR 60890 NOTE
Harmonized as CLC/TR 60890. IEC 61000-5-7:2001 NOTE
Harmonized as EN 61000-5-7:2001 (not modified). IEC 61439 series NOTE
Harmonized in EN 61439 series.
- 3 - EN 62208:2011
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
IEC 60068-2-2 2007 Environmental testing -
Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 2007
IEC 60068-2-11 1981 Environmental testing -
Part 2: Tests - Test Ka: Salt mist EN 60068-2-11 1999
IEC 60068-2-30 2005 Environmental testing -
Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) EN 60068-2-30 2005
IEC 60085 2007 Electrical insulation - Thermal evaluation and designation EN 60085 2008
IEC 60529 1989 Degrees of protection provided by enclosures (IP Code) EN 60529 + corr. May
1991 1993
IEC 60695-2-10 2000 Fire hazard testing -
Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure EN 60695-2-10 2001
IEC 60695-2-11 2000 Fire hazard testing -
Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products EN 60695-2-11 2001
IEC 61439-1 2011 Low-voltage switchgear and controlgear assemblies -
Part 1: General rules EN 61439-1 2011
IEC 62262 2002 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) EN 62262 2002
ISO 178 2001 Plastics - Determination of flexural properties EN ISO 178 2003
ISO 179 Series Plastics - Determination of Charpy impact properties
EN ISO 179 Series
ISO 2409 2007 Paints and varnishes - Cross-cut test EN ISO 2409 2007
ISO 4628-3 2003 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity
of uniform changes in appearance -
Part 3: Assessment of degree of rusting
EN ISO 4628-3 2003
ISO 4892-2 + A1 2006 2009 Plastics - Methods of exposure to laboratory light sources -
Part 2: Xenon-arc lamps EN ISO 4892-2 + A1 2006 2009
ISO 11469 2000 Plastics - Generic identification and marking of plastic products EN ISO 11469 2000
IEC 62208 Edition 2.0 2011-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Empty enclosures for low-voltage switchgear and controlgear assemblies –
General requirements
Enveloppes vides destinées aux ensembles d'appareillage à basse tension –
Exigences générales
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 29.130.20 PRICE CODE CODE PRIX ISBN 978-2-88912-661-3
– 2 – 62208 © IEC:2011 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 Classification . 8 5 EMC requirements . 8 6 Information to be given regarding the enclosure . 9 6.1 General . 9 6.2 Marking . 9 6.3 Documentation . 9 6.3.1 General . 9 6.3.2 Dimensions . 9 6.3.3 Mounting arrangements . 10 6.3.4 Permissible loads . 10 6.3.5 Lifting and transport support . 10 6.3.6 Protective circuit . 10 7 Service conditions . 10 7.1 General . 10 7.2 Normal service conditions . 10 7.2.1 Ambient air temperature . 10 7.2.2 Humidity conditions . 11 7.3 Special service conditions . 11 7.4 Conditions during transport and storage . 11 8 Design and construction . 11 8.1 General . 11 8.2 Static loads . 12 8.3 Lifting and transport support . 12 8.4 Access to the interior of the enclosure . 12 8.5 Protective circuit. 12 8.6 Dielectric strength . 12 8.7 Degree of protection (IK code) . 12 8.8 Degree of protection (IP code) . 13 9 Type tests . 13 9.1 General . 13 9.2 General conditions of tests . 13 9.3 Marking . 14 9.4 Static loads . 14 9.5 Lifting . 14 9.6 Axial loads of metal inserts . 15 9.7 Degree of protection against external mechanical impacts (IK code) . 15 9.8 Degree of protection (IP code) . 16 9.8.1 Degree of protection against access to hazardous parts and against the ingress of solid foreign objects indicated by first characteristic numeral . 16 9.8.2 Degree of protection against ingress of water as indicated by second characteristic numeral . 16 SIST EN 62208:2012

62208 © IEC:2011 – 3 – 9.8.3 Degree of protection against hazardous parts as indicated by additional letter . 17 9.9 Properties of insulating materials . 17 9.9.1 Thermal stability . 17 9.9.2 Resistance to normal heat . 17 9.9.3 Resistance to abnormal heat and to fire . 17 9.10 Dielectric strength . 18 9.10.1 General . 18 9.10.2 Preconditioning. 19 9.10.3 Enclosures without metal elements inside the protected space . 19 9.10.4 Enclosures having metal elements inside the protected space . 19 9.10.5 Results to be obtained . 19 9.11 Continuity of the protective circuit. 19 9.12 Resistance to ultra-violet (UV) radiation . 20 9.13 Resistance to corrosion . 20 9.13.1 General . 20 9.13.2 Test procedure . 20 9.13.3 Results to be obtained . 21 9.14 Thermal power dissipation capability . 21 Bibliography . 22
Table 1 – Number of samples to be tested and order of test per sample . 13 Table 2 – Axial loads of metal inserts. 15
– 4 – 62208 © IEC:2011 INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
EMPTY ENCLOSURES FOR LOW-VOLTAGE
SWITCHGEAR AND CONTROLGEAR ASSEMBLIES –
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 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 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 62208 has been prepared by subcommittee 17D: Low-voltage switchgear and controlgear assemblies, of IEC technical committee 17: Switchgear and controlgear. This second edition cancels and replaces the first edition published in 2002. This edition constitutes a technical revision and includes the following significant technical changes with respect to the last edition: – consideration of the restructured series of standards IEC 61439; – alignment of test procedures with the newest relevant standards. SIST EN 62208:2012

62208 © IEC:2011 – 5 – The text of this standard is based on the following documents: FDIS Report on voting 17D/442/FDIS 17D/447/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 drafted in accordance with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to the specific publication. At this date, the publication will be
• reconfirmed, • withdrawn, • replaced by a revised edition, or • amended.
– 6 – 62208 © IEC:2011 EMPTY ENCLOSURES FOR LOW-VOLTAGE
SWITCHGEAR AND CONTROLGEAR ASSEMBLIES –
GENERAL REQUIREMENTS
1 Scope This International Standard applies to empty enclosures, prior to the incorporation of switchgear and controlgear components by the user, as supplied by the enclosure manufacturer. This standard specifies general definitions, classifications, characteristics and test requirements of enclosures to be used as part of switchgear and controlgear assemblies (e.g. in accordance with the IEC 61439 series), the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c., and suitable for general use for either indoor or outdoor applications. NOTE 1 Additional requirements may apply for specific applications. NOTE 2 The United States of America (USA) uses enclosure “Type” designations according to NEMA 250. The NEMA Enclosure Type designations specify additional environmental requirements for conditions such as corrosion, rust, icing, oil, and coolants. For this reason, the IEC Enclosure Classification Designations IP are used with an enclosure Type designation number appropriate for these markets. This standard does not apply to enclosures, which are covered by other specific products standards (e.g. IEC 60670 series). Compliance with the safety requirements of the applicable product standard is the responsibility of the assembly manufacturer. NOTE 3 This standard may serve as a basis for other technical committees. 2 Normative references 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. IEC 60068-2-2:2007, Environmental testing – Part 2-2: Tests – Test B: Dry heat
IEC 60068-2-11:1981, Basic environmental testing procedures – Part 2-11: Tests – Test Ka: Salt mist IEC 60068-2-30:2005, Environmental testing – Part 2-30: Tests – Test Db: Damp heat, cyclic (12 h + 12 h cycle) IEC 60085:2007, Electrical insulation – Thermal evaluation and designation IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)1 IEC 60695-2-10:2000, Fire hazard testing – Part 2-10: Glowing/hot-wire based test methods – Glow-wire apparatus and common test procedure ___________ 1
There is a consolidated edition 2.1 (2001) that includes IEC 60529 (1989) and its Amendment 1 (1999).
62208 © IEC:2011 – 7 – IEC 60695-2-11:2000, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods – Glow-wire flammability test methods for end-products IEC 61439-1:2011, Low-voltage switchgear and controlgear assemblies – Part 1: General rules2 IEC 62262:2002, Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code) ISO 178:2001, Plastics – Determination of flexural properties ISO 179 (all parts), Plastics – Determination of Charpy impact properties ISO 2409:2007, Paints and varnishes – Cross-cut test ISO 4628-3:2003, Paints and varnishes – Evaluation of degradation of coatings – Designation of quantity and size of defects, and of intensity of uniform changes in appearance – Part 3: Assessment of degree of rusting ISO 4892-2:2006, Plastics – Methods of exposure to laboratory light sources – Part 2: Xenon-arc sources
Amendment 1 (2009) ISO 11469:2000, Plastics – Generic identification and marking of plastic products 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1
empty enclosure enclosure intended for support and installation of electrical equipment, whose internal space provides suitable protection against external influences as well as a specified degree of protection against approach to or contact with live parts and against contact with moving parts NOTE 1 Throughout this standard, the word enclosure is used for empty enclosure. NOTE 2 The terms boxes, cubicles, desks or cabinets are alternative terms for enclosures. 3.2
protected space internal space or portion of the internal space of the enclosure as specified by the manufacturer intended for the mounting of switchgear and controlgear for which the specified protection is provided by the enclosure 3.3
cover external part of the enclosure 3.4
door hinged or sliding cover ___________ 2
To be published. SIST EN 62208:2012

– 8 – 62208 © IEC:2011 3.5
mounting plate separate internal accessory of the enclosure intended for the mounting of electrical components 3.6
cable gland plate removable accessory of the enclosure, intended for securing and sealing of cables, conductors and conduits at their point of entry 3.7
removable cover cover which is designed for closing an opening in the external enclosure and which can be removed for carrying out certain operations and maintenance work NOTE A lid is considered as a removable cover. 3.8
enclosure manufacturer manufacturer of an enclosure or the vendor who resells under his own responsibility 4 Classification Enclosures are classified according to: a) the type of material: · insulating; · metallic; · combination of insulating and metallic; b) method of fixing: · floor standing; · wall mounting; · flush mounting; · pole mounting; c) the intended location: · outdoor; · indoor; d) the degree of protection: · IP code, according to IEC 60529; · IK code, according to IEC 62262; e) the rated insulation voltage (for enclosures made of insulating materials). 5 EMC requirements EMC requirements are not applicable for enclosures to this standard. NOTE For degrees of protection provided by enclosures against electromagnetic disturbances (EM code), see IEC 61000-5-7. SIST EN 62208:2012

62208 © IEC:2011 – 9 – 6 Information to be given regarding the enclosure 6.1 General The following information shall be given by the manufacturer. 6.2 Marking The enclosure shall be identifiable, making it possible for the assembly manufacturer to obtain relevant information from the enclosure manufacturer. Such identification shall comprise: · either the name, trade mark or identification mark of the enclosure manufacturer; · type designation or identification number of the enclosure. The marking shall be durable and easily legible and may be inside the enclosure. Compliance is checked according to the test of 9.3 and by inspection. Marking for the recycling of plastic parts shall be as stated in ISO 11469. NOTE Marking of enclosures intended for total insulation (equivalent to class II) assemblies with the symbol IEC 60417-5172 is the responsibility of the assembly manufacturer. 6.3 Documentation 6.3.1 General The manufacturer's documentation shall include all relevant constructional, mechanical characteristics, the enclosure classification (see Clause 4) and any instruction necessary for the correct handling, assembling, mounting and service conditions of the enclosure as well as reference to this standard: · dimensions (see 6.3.2); · mounting arrangements (see 6.3.3); · permissible loads (see 6.3.4); · lifting devices, if necessary (see 6.3.5); · provisions for protection against electric shock (see 6.3.6); · applicable service conditions (see Clause 7); · location and size of protected space; · data of thermal power dissipation capability; · rated insulation voltage of enclosures constructed of an insulating material; · degree of protection (IK and IP codes, see 8.7 and 8.8). The data for the thermal power dissipation capability are a function of the admissible temperature inside the enclosure. They shall be provided for the different installation methods (e.g. flush mounting, surface mounting) of the enclosure and of the design of the enclosure, i.e. with or without ventilation openings and number of horizontal partitions. They shall include at least temperature rise inside the enclosure, at the top, and external surfaces temperature rise, for a given power loss inside the enclosure. This will provide the user with the correct data for the selection of the enclosure according to electrical equipment to be installed. For the purpose of the calculation, it is assumed that the heat generated by the selected equipment is distributed uniformly inside the protected space. 6.3.2 Dimensions The dimensions shall be given in millimetres. SIST EN 62208:2012

– 10 – 62208 © IEC:2011 The external dimensions: height, width and depth are nominal values and shall be indicated in the catalogue of the enclosure manufacturer. The projection of cable gland plates, removable covers and handles shall not be included in the external nominal dimensions, the dimensions of such shall be included in the manufacturer’s documentation. 6.3.3 Mounting arrangements The means and location of the enclosure mounting shall be defined in the enclos
...