Photovoltaic (PV) module safety qualification - Part 2: Requirements for testing

IEC 61730-2:2016 is available as IEC 61730-2:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61730-2:2016 provides the testing sequence intended to verify the safety of PV modules whose construction has been assessed by IEC 61730-1. The test sequence and pass criteria are designed to detect the potential breakdown of internal and external components of PV modules that would result in fire, electric shock, and/or personal injury. The standard defines the basic safety test requirements and additional tests that are a function of the PV module end-use applications. Test categories include general inspection, electrical shock hazard, fire hazard, mechanical stress, and environmental stress. This new edition includes the following significant technical changes with respect to the previous edition: - the test sequences have been rearranged; - various tests have been detailed or added.

Photovoltaik (PV) Module - Sicherheitsqualifikation - Teil 2: Anforderungen an die Prüfung

Qualification pour la sûreté de fonctionnement des modules photovoltaïques (PV) - Partie 2: Exigences pour les essais

L'IEC 61730-2:2016 fournit la séquence d'essais destinée à vérifier la sûreté des modules PV dont la construction a été évaluée par l'IEC 61730-1. La séquence d'essais et les critères d'acceptation sont conçus pour détecter le claquage éventuel de composants internes et externes des modules PV, qui entraînerait des incendies, des chocs électriques et/ou des dommages corporels. La norme définit les exigences de base relatives aux essais de sécurité, ainsi que des essais supplémentaires qui sont fonction des applications finales du module PV. Les catégories d'essais incluent un contrôle général, les risques de chocs électriques, le risque de feu, les contraintes mécaniques et les contraintes environnementales. Cette nouvelle édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: - les séquences d'essai ont été réorganisées; - certains essais ont été détaillés ou ajoutés.

Varnostne zahteve fotonapetostnih (PV) modulov - 2. del: Zahteve za preskušanje

Ta del standarda IEC 61730 določa in opisuje temeljne konstrukcijske zahteve za fotonapetostne (PV) module, da se zagotovi njihovo varno električno in mehansko delovanje.
Podane so specifične teme na področju ocene preprečevanja električnega udara, požarne ogroženosti in osebnih poškodb zaradi mehanskih in okoljskih obremenitev. Ta del standarda IEC 61730 se nanaša na posebne gradbene zahteve. Standard IEC 61730-2 določa zahteve za preskušanje.
Ta skupina mednarodnih standardov določa zahteve IEC glede prizemnih fotonapetostnih modulov, primernih za dolgotrajno uporabo v okoljih na prostem. Ta standard je namenjen za uporabo za vse materiale ploščatih prizemnih modulov, kot so vrste modulov iz kristalnega silicija in tankoplastni moduli.
Fotonapetostni moduli, ki jih zajema ta standard, so omejeni na maksimalno napetost v enosmernem sistemu 1500 V.
Ta mednarodni standard določa osnovne zahteve za različne načine uporabe fotonapetostnih modulov, vendar ne zajema vseh nacionalnih in regionalnih predpisov. Specifične zahteve, npr. za uporabo pri gradnji, na morju in v vozilih, niso zajete.
Ta mednarodni standard se ne ukvarja s posebnimi zahtevami za proizvode, v katerih je fotonapetostni modul združen z opremo za pretvorbo energije, elektroniko za nadzor ali kontrolo, kot so vgrajeni inverterji, pretvorniki ali funkcije za onemogočanje izhoda.
Čeprav se lahko deli tega standarda uporabljajo za ploščate fotonapetostne module z notranje ustvarjeno nizko koncentracijo, ki je manjša od 3-kratne, ta standard ni bil oblikovan posebej za te primere.
Ta mednarodni standard je oblikovan tako, da je usklajen s preskusnimi zaporedji iz skupine standardov IEC 61215, zato se lahko za vrednotenje varnosti in učinkovitosti projektiranja fotonapetostnih modulov uporabi ena sama skupina vzorcev.
Namen tega mednarodnega standarda je določanje zahtev za izdelavo fotonapetostnih modulov v zvezi z varnostjo. Te zahteve so namenjene za zmanjšanje nepravilnega delovanja in nepravilne uporabe fotonapetostnih modulov ali odpovedi njihovih sestavnih delov, kar bi lahko povzročilo požar, električni udar in telesne poškodbe.
Poleg zahtev, ki jih vključuje ta standard, je treba upoštevati dodatne konstrukcijske zahteve, podane v relevantnih standardih ISO, ali nacionalne oziroma lokalne predpise, ki urejajo namestitev in uporabo teh fotonapetostnih modulov na njihovih predvidenih lokacijah.

General Information

Status
Published
Publication Date
26-Apr-2018
Current Stage
6060 - Document made available
Due Date
27-Apr-2018
Completion Date
27-Apr-2018

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SLOVENSKI STANDARD
SIST EN IEC 61730-2:2018
01-junij-2018
1DGRPHãþD
SIST EN 61730-2:2008
SIST EN 61730-2:2008/A1:2012
Varnostne zahteve fotonapetostnih (PV) modulov - 2. del: Zahteve za preskušanje
Photovoltaic (PV) module safety qualification - Part 2: Requirements for testing

Photovoltaik(PV)-Module - Sicherheitsqualifikation - Teil 2: Anforderungen an die

Prüfung

Qualification pour la sûreté de fonctionnement des modules photovoltaïques (PV) -

Partie 2: Exigences pour les essais
Ta slovenski standard je istoveten z: EN IEC 61730-2:2018
ICS:
27.160 6RQþQDHQHUJLMD Solar energy engineering
SIST EN IEC 61730-2:2018 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN IEC 61730-2:2018
---------------------- Page: 2 ----------------------
SIST EN IEC 61730-2:2018
EUROPEAN STANDARD EN IEC 61730-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2018
ICS 27.160 Supersedes EN 61730-2:2007
English Version
Photovoltaic (PV) module safety qualification - Part 2:
Requirements for testing
(IEC 61730-2:2016)

Qualification pour la sûreté de fonctionnement des modules Photovoltaik (PV) Module - Sicherheitsqualifikation - Teil 2:

photovoltaïques (PV) - Partie 2: Exigences pour les essais Anforderungen an die Prüfung

(IEC 61730-2:2016) (IEC 61730-2:2016)

This European Standard was approved by CENELEC on 2016-09-22. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,

Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 61730-2:2018 E
---------------------- Page: 3 ----------------------
SIST EN IEC 61730-2:2018
EN IEC 61730-2:2018 (E)
European foreword

The text of document 82/1129/FDIS, future edition 2 of IEC 61730-2, prepared by IEC/TC 82 “Solar

photovoltaic energy systems" was submitted to the IEC-CENELEC parallel vote and approved by

CENELEC as EN IEC 61730-2:2018.
The following dates are fixed:
• latest date by which the document has to be (dop) 2018-10-27
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2021-04-27
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 61730-2:2007.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

This document has been prepared under a mandate given to CENELEC by the European Commission

and the European Free Trade Association, and supports essential requirements of EU Directive(s).

For the relationship with EU Directive 2006/42/EC see informative Annex ZZ, which is an integral part

of this document.
Endorsement notice

The text of the International Standard IEC 61730-2:2016 was approved by CENELEC as a European

Standard without any modification.
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SIST EN IEC 61730-2:2018
EN IEC 61730-2:2018 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:

www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60060-1 - High-voltage test techniques - Part 1: EN 60060-1 2010
General definitions and test requirements
IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - EN 60068-2-1 2007
Test A: Cold
IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - EN 60068-2-2 2007
Test B: Dry heat
IEC 60068-3-5 - Environmental testing - Part 3-5: Supporting EN 60068-3-5 2002
documentation and guidance - Confirmation
of the performance of temperature
chambers

IEC 60598-1 (mod) 2014 Luminaires - Part 1: General requirements EN 60598-1 2015

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

IEC 60695-2-10 - Fire hazard testing - Part 2-10: Glowing/hot-EN 60695-2-10 2002

wire based test methods - Glow-wire
apparatus and common test procedure
IEC 60904-2 - Photovoltaic devices - Part 2: Requirements EN 60904-2 2015
for photovoltaic reference devices
IEC 60904-9 - Photovoltaic devices - Part 9: Solar EN 60904-9 2007
simulator performance requirements

IEC 60950-1 (mod) 2005 Information technology equipment - Safety - EN 60950-1 2006

Part 1: General requirements
- - + A11 2009
- - + A12 2011
- - + AC 2011
IEC 61010-1 - Safety requirements for electrical EN 61010-1 2010
equipment for measurement, control and
laboratory use - Part 1: General
requirements
IEC 61032 1997 Protection of persons and equipment by EN 61032 1998
enclosures - Probes for verification
IEC 61140 - Protection against electric shock - Common EN 61140 2016
aspects for installation and equipment
IEC 61215 series Terrestrial photovoltaic (PV) modules EN 61215 series
Design qualification and type approval
IEC 61215-2 - Terrestrial photovoltaic (PV) modules - EN 61215-2 2017
Design qualification and type approval -
Part 2: Test procedures
---------------------- Page: 5 ----------------------
SIST EN IEC 61730-2:2018
EN IEC 61730-2:2018 (E)
IEC 61730-1 2016 Photovoltaic (PV) module safety EN 61730-1 2018
qualification - Part 1: Requirements for
construction
IEC 62790 - Junction boxes for photovoltaic modules - EN 62790 2015
Safety requirements and tests
ISO 813 2016 Rubber, vulcanized or thermoplastic_- - -
Determination of adhesion to a rigid
substrate - 90° peel method
ISO 4046-4 2016 Paper, board, pulps and related terms - - -
Vocabulary - Part 4: Paper and board
grades and converted products
ISO 4587 2003 Adhesives - Determination of tensile lap- - -
shear strength of rigid-to-rigid bonded
assemblies
ISO 5893 2002 Rubber and plastics test equipment - - -
Tensile, flexural and compression types
(constant rate of traverse) - Specification
ISO 8124-1 2018 Safety of toys - Part 1: Safety aspects - -
related to mechanical and physical
properties
ISO 11925-2 2010 Reaction to fire tests - Ignitability of EN ISO 11925-2 2010
products subjected to direct impingement of
flame - Part 2: Single-flame source test
ISO 23529 2016 Rubber - General procedures for preparing - -
and conditioning test pieces for physical
test methods
ISO/IEC 17025 - General requirements for the competence EN ISO/IEC 17025 2017
of testing and calibration laboratories
ANSI Z97.1 2009 American National Standard for Safety - -
Glazing Materials Used in Buildings - Safety
Performance Specifications and Methods of
Test
ANSI/UL 1703 2015 Flat-Plate Photovoltaic Modules and Panels - -
---------------------- Page: 6 ----------------------
SIST EN IEC 61730-2:2018
EN IEC 61730-2:2018 (E)
Annex ZZ
(informative)
Relationship between this European standard and the safety
objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be
covered

This European Standard has been prepared under a Commission’s standardization request relating to

harmonized standards in the field of the Low Voltage Directive, M/511, to provide one voluntary means

of conforming to safety objectives of Directive 2014/35/EU of the European Parliament and of the

Council of 26 February 2014 on the harmonization of the laws of the Member States relating to the

making available on the market of electrical equipment designed for use within certain voltage limits

[2014 OJ L96].

Once this standard is cited in the Official Journal of the European Union under that Directive,

compliance with the normative clauses of this standard given in Table ZZ.1 confers, within the limits of

the scope of this standard, a presumption of conformity with the corresponding safety objectives of

that Directive, and associated EFTA regulations.

Table ZZ.1 – Correspondence between this European standard and Annex I of Directive

2014/35/EU [2014 OJ L96]
Clause(s) / sub-
Safety objectives of Directive
clause(s)
Remarks / Notes
2014/35/EU
of this EN
1. General conditions
1 (a) the essential
characteristics, the recognition
and observance of which will
ensure that electrical equipment
will be used safely and in
EN 61730-1, 5.2
applications for which it was
made, shall be marked on the
electrical equipment, or, if this is
not possible, on an
accompanying document;
1 (b) the electrical equipment,
together with its component
parts, shall be made in such a
EN 61730-1, 5.2
way as to ensure that it can be
safely and properly assembled
and connected;
1(c) the electrical equipment
shall be so designed and
manufactured as to ensure that
EN 61730-1, 5.2
protection against the hazards
refer to 2a) to 2d)
set out in points 2 and 3 is
and 3a) to 3c) of
assured, providing that the
this table
equipment is used in
cl. 5.4 (intended
applications for which it was
use)
made and is adequately
maintained.
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SIST EN IEC 61730-2:2018
EN IEC 61730-2:2018 (E)
Clause(s) / sub-
Safety objectives of Directive
clause(s)
Remarks / Notes
2014/35/EU
of this EN
2. Protection against hazards arising from the electrical equipment

Measures of a technical nature shall be laid down in accordance with point 1, in order to ensure that:

2 (a) persons and domestic EN 61730-1, 5.2.2,
animals are adequately 5.3.4, 5.3.5, 5.5.4,
protected against the danger of 5.6.4.2
physical injury or other harm EN 61730-2, 4.4
which might be caused by direct
EN 61730-2, 10.9,
or indirect contact;
(MST 11)
EN 61730-2, 10.11,
(MST 13)
EN 61730-2, 10.12,
(MST 14)
EN 61730-2, 10.13,
(MST 16)
EN 61730-2, 10.14,
(MST 17)
2 (b) temperatures, arcs or EN 61730-1, 5.1,
radiation which would cause a 5.2.2.1, 5.2.3, 5.3,
danger, are not produced; 5.5 and Annex B
(B6)
EN 61730-2, 4.2
EN 61730-2, 10.15,
(MST 21)
2 (c) persons, domestic animals EN 61730-1, 5.2.3
and property are adequately
EN 61730-2, 10.7,
protected against non-electrical
(MST 06)
dangers caused by the electrical
EN 61730-2, 10.10,
equipment which are revealed
(MST 12)
by experience;
EN 61730-2, 10.21,
(MST 32)
EN 61730-2, 10.23,
(MST 34)
2 (d) the insulation is suitable for EN 61730-1,
foreseeable conditions. 5.2.2.1 k) and
MST 26
EN 61730-1, 5.2.2,
5.2.2.1, 5.3.4,
5.3.5, 5.5.4, 5.6
and 5.6.4.2
EN 61730-2, 4.4
EN 61730-2, 10.13,
(MST 16)
EN 61730-2, 10.14,
(MST 17)
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SIST EN IEC 61730-2:2018
EN IEC 61730-2:2018 (E)
Clause(s) / sub-
Safety objectives of Directive
clause(s)
Remarks / Notes
2014/35/EU
of this EN

3. Protection against hazards which may be caused by external influences on the electrical equipment

Technical measures shall be laid down in accordance with point 1, in order to ensure that the electrical

equipment:
3 (a) meets the expected EN 61730-1, 5.1,
mechanical requirements in 5.2.3, 5.3, 5.4 and
such a way that persons, 5.5
domestic animals and property
EN 61730-2, 4.2
are not endangered;
EN 61730-2, 10.7,
(MST 06)
EN 61730-2, 10.21,
(MST 32)
EN 61730-2, 10.23,
(MST 34)

3 (b) is resistant to non- EN 61730-2, 4.5 No remote access to modules to influence

mechanical influences in EN 61730-2, 10.15, function.
expected environmental (MST 21)
conditions, in such a way that There are no mandatory requirements for fire
EN 61730-2, 10.17,
persons, domestic animals and tests, spread of flame and burning-brand tests
(MST 23)
property are not endangered; for PV modules in this standard.
3 (c) does not endanger EN 61730-1, 5.2
persons, domestic animals and
EN 61730-1,
property in foreseeable
5.2.2.1 k) and
conditions of overload.
MST 26

WARNING 1 — Presumption of conformity stays valid only as long as a reference to this European

standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2 — Other Union legislation may be applicable to the product(s) falling within the scope of

this standard.
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SIST EN IEC 61730-2:2018
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SIST EN IEC 61730-2:2018
IEC 61730-2
Edition 2.0 2016-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Photovoltaic (PV) module safety qualification –
Part 2: Requirements for testing
Qualification pour la sûreté de fonctionnement des modules photovoltaïques
(PV) –
Partie 2: Exigences pour les essais
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.160 ISBN 978-2-8322-3575-1

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 11 ----------------------
SIST EN IEC 61730-2:2018
– 2 – IEC 61730-2:2016 © IEC 2016
CONTENTS

FOREWORD......................................................................................................................... 6

1 Scope ............................................................................................................................ 8

2 Normative references .................................................................................................... 8

3 Terms and definitions .................................................................................................. 10

4 Test categories ............................................................................................................ 10

4.1 General ............................................................................................................... 10

4.2 Environmental stress tests .................................................................................. 10

4.3 General inspection .............................................................................................. 10

4.4 Electrical shock hazard tests ............................................................................... 11

4.5 Fire hazard tests ................................................................................................. 11

4.6 Mechanical stress tests ....................................................................................... 11

5 Classes and their necessary test procedures ................................................................ 12

6 Sampling ..................................................................................................................... 14

7 Test report .................................................................................................................. 14

8 Testing ........................................................................................................................ 15

9 Pass criteria ................................................................................................................ 17

10 Test procedures .......................................................................................................... 17

10.1 General ............................................................................................................... 17

10.2 Visual inspection MST 01 .................................................................................... 17

10.2.1 Purpose ....................................................................................................... 17

10.2.2 Procedure .................................................................................................... 17

10.2.3 Pass criteria ................................................................................................. 17

10.3 Performance at STC MST 02 ............................................................................... 19

10.3.1 Purpose ....................................................................................................... 19

10.3.2 Procedure .................................................................................................... 19

10.3.3 Pass criteria ................................................................................................. 19

10.4 Maximum power determination MST 03 ............................................................... 19

10.4.1 Purpose ....................................................................................................... 19

10.4.2 Procedure .................................................................................................... 19

10.4.3 Pass criteria ................................................................................................. 19

10.5 Insulation thickness test MST 04 ......................................................................... 19

10.5.1 Purpose ....................................................................................................... 19

10.5.2 Procedure .................................................................................................... 20

10.5.3 Pass criteria ................................................................................................. 20

10.6 Durability of markings MST 05 ............................................................................. 20

10.7 Sharp edge test MST 06 ...................................................................................... 20

10.8 Bypass diode functionality test MST 07 ................................................................ 21

10.9 Accessibility test MST 11 ..................................................................................... 21

10.9.1 Purpose ....................................................................................................... 21

10.9.2 Apparatus .................................................................................................... 21

10.9.3 Procedure .................................................................................................... 21

10.9.4 Final measurements ..................................................................................... 21

10.9.5 Pass criteria ................................................................................................. 21

10.10 Cut susceptibility test MST 12 ............................................................................. 21

10.10.1 Purpose ....................................................................................................... 21

10.10.2 Apparatus .................................................................................................... 22

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SIST EN IEC 61730-2:2018
IEC 61730-2:2016 © IEC 2016 – 3 –

10.10.3 Procedure .................................................................................................... 22

10.10.4 Final measurements ..................................................................................... 22

10.10.5 Pass criteria ................................................................................................. 22

10.11 Continuity test of equipotential bonding MST 13 ................................................... 23

10.11.1 Purpose ....................................................................................................... 23

10.11.2 Apparatus .................................................................................................... 23

10.11.3 Procedure .................................................................................................... 24

10.11.4 Final measurements ..................................................................................... 24

10.11.5 Pass criteria ................................................................................................. 24

10.12 Impulse voltage test MST 14 ............................................................................... 24

10.12.1 Purpose ....................................................................................................... 24

10.12.2 Apparatus .................................................................................................... 24

10.12.3 Procedure .................................................................................................... 25

10.12.4 Final measurement ...................................................................................... 26

10.12.5 Pass criteria ................................................................................................. 26

10.13 Insulation test MST 16 ......................................................................................... 26

10.13.1 Purpose ....................................................................................................... 26

10.13.2 Procedure .................................................................................................... 26

10.13.3 Pass criteria ................................................................................................. 26

10.14 Wet leakage current test MST 17 ......................................................................... 26

10.15 Temperature test MST 21 .................................................................................... 27

10.15.1 Purpose ....................................................................................................... 27

10.15.2 Outdoor method ........................................................................................... 27

10.15.3 Solar simulator method ................................................................................ 28

10.15.4 Pass criteria ................................................................................................. 30

10.16 Hot-spot endurance test MST 22 ......................................................................... 30

10.17 Fire test MST 23 ................................................................................................. 30

10.17.1 Purpose ....................................................................................................... 30

10.18 Ignitability test MST 24 ........................................................................................ 31

10.18.1 Purpose ....................................................................................................... 31

10.18.2 Apparatus .................................................................................................... 31

10.18.3 Test specimen ............................................................................................. 32

10.18.4 Conditioning ................................................................................................ 32

10.18.5 Procedure .................................................................................................... 32

10.18.6 Duration of test ............................................................................................ 33

10.18.7 Observations ............................................................................................... 33

10.18.8 Pass criteria ................................................................................................. 33

10.19 Bypass diode thermal test MST 25 ....................................................................... 34

10.20 Reverse current overload test MST 26 ................................................................. 34

10.20.1 Purpose ....................................................................................................... 34

10.20.2 Procedure .................................................................................................... 34

10.20.3 Pass criteria ................................................................................................. 34

10.21 Module breakage test MST 32 ............................................................................. 35

10.21.1 Purpose ....................................................................................................... 35

10.21.2 Apparatus .................................................................................................... 35

10.21.3 Procedure .................................................................................................... 35

10.21.4 Pass criteria ................................................................................................. 35

10.22 Screw connections test MST 33 ........................................................................... 38

10.22.1 Test for general screw connections MST 33a ................................................ 38

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SIST EN IEC 61730-2:2018
– 4 – IEC 61730-2:2016 © IEC 2016

10.22.2 Test for locking screws MST 33b .................................................................. 40

10.23 Static mechanical load test MST 34 ..................................................................... 40

10.24 Peel test MST 35 ................................................................................................ 40

10.24.1 Purpose ....................................................................................................... 40

10.24.2 Sample requirements ................................................................................... 40

10.24.3 Apparatus .................................................................................................... 41

10.24.4 Procedure .................................................................................................... 41

10.24.5 Pass criteria ................................................................................................. 44

10.25 Lap shear strength test MST 36 ........................................................................... 44

10.25.1 Purpose ....................................................................................................... 44

10.25.2 Test samples ............................................................................................... 44

10.25.3 Apparatus .................................................................................................... 45

10.25.4 Procedure .................................................................................................... 45

10.25.5 Pass criteria ................................................................................................. 46

10.26 Materials creep test MST 37 ................................................................................ 47

10.26.1 Purpose ....................................................................................................... 47

10.26.2 Apparatus .................................................................................................... 47

10.26.3 Procedure .................................................................................................... 47

10.26.4 Final measurements ..................................................................................... 47

10.26.5 Pass criteria ................................................................................................. 47

10.27 Robustness of terminations test MST 42 .............................................................. 47

10.28 Thermal cycling test MST 51 ............................................................................... 48

10.29 Humidity freeze test MS
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