Fuel cell technologies - Part 4-101: Fuel cell power systems for propulsion other than road vehicles and auxiliary power units (APU) - Safety of electrically powered industrial trucks

IEC 62282-4-101:2014 covers safety requirements for fuel cell power systems intended to be used in electrically powered industrial trucks. This standard is limited to electrically powered industrial trucks and is applicable to material-handling equipment, e.g. forklifts. It applies to gaseous hydrogen-fuelled fuel cell power systems and direct methanol fuel cell power systems for electrically powered industrial trucks.

Brennstoffzellen-Technologien - Teil 4-101: Antriebe mit Brennstoffzellen-Energiesystemen (mit Ausnahme von Straßenfahrzeugen und Hilfsantrieben) - Elektrisch betriebene Flurförderfahrzeuge - Sicherheit

Technologies des piles à combustible - Partie 4-101: Systèmes à piles à combustible pour la propulsion, autres que les véhicules routiers et groupes auxiliaires de puissance (GAP) - Sécurité pour chariots de manutention électriques

L'IEC 62282-4-101:2014 couvre les exigences de sécurité relatives aux systèmes à piles à combustible destinés à être utilisés sur des chariots de manutention électriques. La présente norme se limite aux chariots de manutention électriques et s'applique aux matériels de manutention, par exemple les chariots élévateurs à fourche. Elle s'applique aux systèmes à piles à combustible utilisant de l'hydrogène gazeux et à ceux utilisant du méthanol direct pour les chariots de manutention électriques.

Tehnologije gorivnih celic - 4-101. del: Elektroenergetski sistemi z gorivnimi celicami za pogone, razen pogonov cestnih vozil in pomožnih elektroenergetskih enot – Elektroenergetski sistemi z gorivnimi celicami za električno gnane industrijske kamione - Varnost (IEC 62282-4-101:2014)

1.1 Ta del standarda EC 62282 zajema varnostne zahteve za elektroenergetske sisteme z gorivnimi celicami, namenjenimi za uporabo v električnognanih industrijskih kamionih.
1.2 Ta standard je omejem na električnognane industrijske kamione in velja za stroje za premikanje materiala, npr. viličarje.
1.3 Ta standard velja za elektroenergetske sisteme z gorivnimi celicami na uplinjeni vodik in elektroenergetske sisteme z gorivnimi celicami na metanol za električnognane industrijske kamione.
1.4 Naslednja goriva spadajo na področje uporabe tega standarda:
– uplinjeni vodik,
– metanol.
1.5. Ta standard zajema elektroenergetski sistem z gorivnimi celicami, kot je definiran v točki 3.8 in na sliki 1.
1.6 Ta standard se uporablja za enosmerne elektroenergetske sisteme z gorivnimi celicami z nazivno izhodno napetostjo
manjšo od 150 V izmenične napetosti za uporabo v zaprtih prostorih in na prostem.
1.7 Ta standard zajema elektroenergetske sisteme z gorivnimi celicami, pri katerih je posoda za gorivo trajno pritrjena na industrijski kamion ali elektroenergetski sistem z gorivnimi celicami.
1.8 V področje uporabe tega standarda ni vključeno naslednje:
– posode za gorivo, ki jih je mogoče odstraniti;
– hibridni kamioni, ki imajo motor z notranjim izgorevanjem;
– elektroenergetski sistemi z gorivnimi celicami, opremljeni z reformatorjem;
– elektroenergetski sistemi z gorivnimi celicami. namenjeni za delovanje v potencialno eksplozivnih atmosferah;
– sistemi za shranjevanje goriva, ki uporabljajo tekoči vodik.

General Information

Status
Published
Publication Date
16-Oct-2014
Drafting Committee
Current Stage
6060 - Document made available
Due Date
17-Oct-2014
Completion Date
17-Oct-2014

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SLOVENSKI STANDARD
SIST EN 62282-4-101:2014
01-december-2014
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FHOLFDPL]DSRJRQHUD]HQSRJRQRYFHVWQLKYR]LOLQSRPRåQLKHOHNWURHQHUJHWVNLK
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Fuel cell technologies - Part 4-101: Fuel cell power systems for propulsion other than

road vehicles and auxiliary power units - Fuel cell power systems for electrically powered

industrial trucks - Safety
Ta slovenski standard je istoveten z: EN 62282-4-101:2014
ICS:
27.070 Gorilne celice Fuel cells
SIST EN 62282-4-101:2014 en

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

---------------------- Page: 1 ----------------------
SIST EN 62282-4-101:2014
---------------------- Page: 2 ----------------------
SIST EN 62282-4-101:2014
EUROPEAN STANDARD EN 62282-4-101
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2014
ICS 27.070
English Version
Fuel cell technologies - Part 4-101: Fuel cell power systems for
propulsion other than road vehicles and auxiliary power units
(APU) - Safety of electrically powered industrial trucks
(IEC 62282-4-101:2014)

Technologies des piles à combustible - Partie 4-101: Brennstoffzellen-Technologien - Teil 4-101: Antriebe mit

Systèmes à piles à combustible pour la propulsion, autres Brennstoffzellen-Energiesystemen (mit Ausnahme von

que les véhicules routiers et groupes auxiliaires de Straßenfahrzeugen und Hilfsantrieben) - Elektrisch

puissance (GAP) - Sécurité pour chariots de manutention betriebene Flurförderfahrzeuge - Sicherheit

électriques (IEC 62282-4-101:2014)
(CEI 62282-4-101:2014)

This European Standard was approved by CENELEC on 2014-09-16. 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, 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: Avenue Marnix 17, B-1000 Brussels

© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62282-4-101:2014 E
---------------------- Page: 3 ----------------------
SIST EN 62282-4-101:2014
EN 62282-4-101:2014 - 2 -
Foreword

The text of document 105/506/FDIS, future edition 1 of IEC 6228-4-101, prepared by

IEC/TC 105 "Fuel cell technologies" was submitted to the IEC-CENELEC parallel vote and approved

by CENELEC as EN 62282-4-101:2014.
The following dates are fixed:
(dop) 2015-06-16
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2017-09-16
standards conflicting with the
document have to be withdrawn

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 62282-4-101:2014 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 60034 Series NOTE Harmonised as EN 60034 Series.
IEC 60034-11 NOTE Harmonised as EN 60034-11.
IEC 60079-20-1 NOTE Harmonised as EN 60079-20-1.
IEC 60112 NOTE Harmonised as EN 60112.
IEC 60243 Series NOTE Harmonised as EN 60243 Series.
IEC 60695-11-5 NOTE Harmonised as EN 60695-11-5.
IEC 60812 NOTE Harmonised as EN 60812.
IEC 62282-3-100 NOTE Harmonised as EN 62282-3-100.
IEC 62282-5-1 NOTE Harmonised as EN 62282-5-1.
ISO 16017-1 NOTE Harmonised as EN ISO 16017-1.
---------------------- Page: 4 ----------------------
SIST EN 62282-4-101:2014
- 3 - EN62282-4-101:2014
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When 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 60079-0 - Explosive atmospheres EN 60079-0 -
Part 0: Equipment - General requirements
IEC 60079-10-1 - Explosive atmospheres EN 60079-10-1 -
Part 10-1: Classification of areas -
Explosive gas atmospheres
IEC 60079-29-1 - Explosive atmospheres EN 60079-29-1 -
Part 29-1: Gas detectors - Performance
requirements of detectors for flammable
gases
IEC 60079-29-4 - Explosive atmospheres EN 60079-29-4 -
Part 29-4: Gas detectors - Performance
requirements of open path detectors for
flammable gases
IEC 60204-1 - Safety of machinery - Electrical equipment EN 60204-1 -
of machines
Part 1: General requirements
IEC 60227-3 - Polyvinyl chloride insulated cables of rated HD 21.3 S3 -
voltages up to and including 450/750 V
Part 3: Non-sheathed cables for fixed wiring
IEC 60227-5 - Polyvinyl chloride insulated cables of rated - -
voltages up to and including 450/750 V
Part 5: Flexible cables (cords)
IEC 60335-2-41 - Household and similar electrical appliances EN 60335-2-41 -
– Safety
Part 2-41: Particular requirements for
pumps
IEC 60335-2-80 - Safety of household and similar electrical EN 60335-2-80 -
appliances
Part 2-80: Particular requirements for fans
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 60529 - Degrees of protection provided by EN 60529 -
enclosures (IP Code)
Superseded by EN 50525-2-31:2011.
---------------------- Page: 5 ----------------------
SIST EN 62282-4-101:2014
EN 62282-4-101:2014 - 4 -
Publication Year Title EN/HD Year
IEC 60584-1 - Thermocouples EN 60584-1 -
Part 1: Reference tables
IEC 60664-1 - Insulation coordination for equipment within EN 60664-1 -
low-voltage systems
Part 1: Principles, requirements and tests
IEC 60695 Series Fire hazard testing EN 60695 Series
IEC 60695-1-30 - Fire hazard testing EN 60695-1-30 -
Part 1-30: Guidance for assessing the fire
hazard of electrotechnical products -
Preselection testing process - General
guidelines
IEC 60695-10-2 - Fire hazard testing EN 60695-10-2 -
Part 10-2: Guidance and test methods for
the minimization of the effects of abnormal
heat on electrotechnical products involved
in fires - Method for testing products made
from non-metallic materials for resistance to
heat using the ball pressure test
IEC 60695-11-4 - Fire hazard testing EN 60695-11-4 -
Part 11-4: Test flames - 50 W flame -
Apparatus and confirmational test method
IEC 60695-11-10 - Fire hazard testing EN 60695-11-10 -
Part 11-10: Test flames - 50 W horizontal
and vertical flame test methods
IEC 60730-1 2013 Automatic electrical controls EN 60730-1 -
(mod) Part 1: General requirements
IEC 60730-2-17 - Automatic electrical controls for household - -
and similar use
Part 2-17: Particular requirements for
electrically operated gas valves, including
mechanical requirements
IEC 60947-3 - Low-voltage switchgear and controlgear EN 60947-3 -
Part 3: Switches, disconnectors, switch-
disconnectors and fuse-combination units
IEC 60947-5-1 - Low-voltage switchgear and controlgear EN 60947-5-1 -
Part 5-1: Control circuit devices and
switching elements - Electromechanical
control circuit devices
IEC 60950-1 2005 Information technology equipment - Safety EN 60950-1+ 2006
(mod) Part 1: General requirements corr. October 2011
IEC 61204-7 - Low-voltage power supplies, d.c. output EN 61204-7 -
Part 7: Safety requirements
At draft stage.
---------------------- Page: 6 ----------------------
SIST EN 62282-4-101:2014
- 5 - EN62282-4-101:2014
Publication Year Title EN/HD Year
IEC/TS 61430 - Secondary cells and batteries - Test - -
methods for checking the performance of
devices designed for reducing explosion
hazards - Lead-acid starter batteries
IEC 61558-1 - Safety of power transformers, power EN 61558-1 -
supplies, reactors and similar products
Part 1: General requirements and tests
IEC 62103 - Electronic equipment for use in power - -
installations
IEC 62133 - Secondary cells and batteries containing EN 62133 -
alkaline or other non-acid electrolytes -
Safety requirements for portable sealed
secondary cells, and for batteries made
from them, for use in portable applications
IEC 62282-2 - Fuel cell technologies EN 62282-2 -
Part 2: Fuel cell modules
ISO 179 Series Plastics - Determination of Charpy impact EN ISO 179 Series
properties
Part 1: Non-instrumented impact test
ISO 180 - Plastics - Determination of Izod impact EN ISO 180 -
strength
ISO 877 Series Plastics - Methods of exposure to solar EN ISO 877 Series
radiation
Part 1: General guidance
ISO 1419 - Rubber- or plastics-coated fabrics - - -
Accelerated-ageing tests
ISO 1421 - Rubber- or plastics-coated fabrics - EN ISO 1421 -
Determination of tensile strength and
elongation at break
ISO 1798 - Flexible cellular polymeric materials - EN ISO 1798 -
Determination of tensile strength and
elongation at break
ISO 2440 - Flexible and rigid cellular polymeric EN ISO 2440 -
materials - Accelerated ageing tests
ISO 2626 - Copper - Hydrogen embrittlement test EN ISO 2626 -
ISO 3691-1 - Industrial trucks - Safety requirements and EN ISO 3691-1 -
verification
Part 1: Self-propelled industrial trucks, other
than driverless trucks, variable-reach trucks
and burden-carrier trucks
ISO/TS 3691-7 - Industrial trucks - Safety requirements and - -
verification
Part 7: Regional requirements for countries
within the European Community
ISO/TS 3691-8 - Industrial trucks - Safety requirements and - -
verification
Part 8: Regional requirements for countries
outside the European Community
---------------------- Page: 7 ----------------------
SIST EN 62282-4-101:2014
EN 62282-4-101:2014 - 6 -
Publication Year Title EN/HD Year
ISO 3864-1 - Graphical symbols - Safety colours and - -
safety signs
Part 1: Design principles for safety signs
and safety markings
ISO 3996 - Road vehicles - Brake hose assemblies for - -
hydraulic braking systems used with non-
petroleum-base brake fluid
ISO 4038 - Road vehicles - Hydraulic braking systems - - -
Simple flare pipes, tapped holes, male
fittings and hose end fittings
ISO 4080 - Rubber and plastics hoses and hose EN ISO 4080 -
assemblies - Determination of permeability
to gas
ISO 4675 - Rubber- or plastics-coated fabrics; low- - -
temperature bend test
ISO 7010 - Graphical symbols - Safety colours and - -
safety signs - Safety signs used in
workplaces and public areas
ISO 7866 2012 Gas cylinders - Refillable seamless EN ISO 7866 2012
aluminium alloy gas cylinders - Design,
construction and testing
ISO 9809-1 - Gas cylinders - Refillable seamless steel EN ISO 9809-1 -
gas cylinders - Design, construction and
testing
Part 1: Quenched and tempered steel
cylinders with tensile strength less than
1100 MPa
ISO 10380 - Pipework - Corrugated metal hoses and EN ISO 10380 -
hose assemblies
ISO 10442 - Petroleum, chemical and gas service EN ISO 10442 -
industries - Packaged, integrally geared
centrifugal air compressors
ISO 10806 - Pipework - Fittings for corrugated metal EN ISO 10806 -
hoses
ISO 11114-4 - Transportable gas cylinders - Compatibility EN ISO 11114-4 -
of cylinder and valve materials with gas
contents
Part 4: Test methods for selecting metallic
materials resistant to hydrogen
embrittlement
ISO 13226 - Rubber - Standard reference elastomers - -
(SREs) for characterizing the effect of
liquids on vulcanized rubbers
ISO 13849-1 - Safety of machinery - Safety-related parts EN ISO 13849-1 -
of control systems
Part 1: General principles for design
ISO 14113 - Gas welding equipment - Rubber and EN ISO 14113 -
plastics hose and hose assemblies for use
with industrial gases up to 450 bar (45
MPa)
---------------------- Page: 8 ----------------------
SIST EN 62282-4-101:2014
- 7 - EN62282-4-101:2014
Publication Year Title EN/HD Year
ISO/TS 14687-2 - Hydrogen fuel - Product specification - -
Part 2: Proton exchange membrane (PEM)
fuel cell applications for road vehicles
ISO 15500-12 - Road vehicles - Compressed natural gas - -
(CNG) fuel system components
Part 12: Pressure relief valve (PRV)
ISO 15649 - Petroleum and natural gas industries - - -
Piping
ISO/TS 15869 2009 Gaseous hydrogen and hydrogen blends - - -
Land vehicle fuel tanks
ISO/TR 15916 - Basic considerations for the safety of - -
hydrogen systems
ISO 16010 - Elastomeric seals - Material requirements - -
for seals used in pipes and fittings carrying
gaseous fuels and hydrocarbon fluids
ISO 16111 2008 Transportable gas storage devices - - -
Hydrogen absorbed in reversible metal
hydride
ISO 17268 - Elastomeric seals - Material requirements - -
for seals used in pipes and fittings carrying
gaseous fuels and hydrocarbon fluids
ISO 21927-3 - Smoke and heat control systems - -
Part 3: Specification for powered smoke
and heat exhaust ventilators
ISO 23551-1 - Safety and control devices for gas burners - -
and gas-burning appliances - Particular
requirements
Part 1: Automatic valves
---------------------- Page: 9 ----------------------
SIST EN 62282-4-101:2014
---------------------- Page: 10 ----------------------
SIST EN 62282-4-101:2014
IEC 62282-4-101
Edition 1.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fuel cell technologies –
Part 4-101: Fuel cell power systems for propulsion other than road vehicles and
auxiliary power units (APU) – Safety of electrically powered industrial trucks
Technologies des piles à combustible –
Partie 4-101: Systèmes à piles à combustible pour la propulsion, autres que les
véhicules routiers et groupes auxiliaires de puissance (GAP) – Sécurité pour
chariots de manutention électriques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XA
ICS 27.070 ISBN 978-2-8322-1811-2

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 62282-4-101:2014
– 2 – IEC 62282-4-101:2014 © IEC 2014
CONTENTS

FOREWORD ........................................................................................................................... 5

INTRODUCTION ..................................................................................................................... 7

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

2 Normative references ...................................................................................................... 9

3 Terms and definitions .................................................................................................... 12

4 Construction requirements for safety ............................................................................. 16

4.1 General ................................................................................................................. 16

4.2 Hydrogen and other fluid containing parts ............................................................. 17

4.2.1 General ......................................................................................................... 17

4.2.2 Piping, hoses, tubing and fittings ................................................................... 17

4.2.3 Hydrogen pressure vessels............................................................................ 18

4.2.4 Metal hydride container ................................................................................. 19

4.2.5 Methanol fuel tank ......................................................................................... 19

4.3 Over-pressure and thermal protection ................................................................... 20

4.4 Regulators ............................................................................................................ 22

4.5 Operating and shut-off valves ............................................................................... 22

4.6 Filters ................................................................................................................... 22

4.7 Pumps and compressors ....................................................................................... 23

4.8 Electrically operated pressure sensing and controlling devices ............................. 23

4.9 Ventilation to prevent the build up of flammable gases and vapours ...................... 23

4.10 Electrostatic discharge (ESD) ............................................................................... 24

4.11 Discharges including methanol emissions and waste materials ............................. 25

4.12 Enclosures ............................................................................................................ 25

4.13 Fuel cell power system electrical components ....................................................... 25

4.13.1 General ......................................................................................................... 25

4.13.2 Internal wiring ................................................................................................ 26

4.13.3 External wiring ............................................................................................... 27

4.13.4 Emergency switching off requirements (disconnection) for connections

for fuel cell power system .............................................................................. 27

4.13.5 Switches and motor controllers ...................................................................... 28

4.13.6 Transformers and power supplies .................................................................. 28

4.13.7 Inverters, converters and controllers .............................................................. 28

4.13.8 Lamps and lampholders ................................................................................. 28

4.13.9 Energy storage components .......................................................................... 28

4.13.10 Electrical insulation ....................................................................................... 29

4.13.11 Limited power circuit ...................................................................................... 29

4.13.12 Electrical spacings ......................................................................................... 30

4.13.13 Separation of circuits ..................................................................................... 31

4.14 Control circuits ...................................................................................................... 32

4.14.1 Safety controls .............................................................................................. 32

4.14.2 Start .............................................................................................................. 32

4.15 Safety/hazard analysis .......................................................................................... 32

5 Performance requirements for safety and type tests ...................................................... 32

5.1 General ................................................................................................................. 32

5.2 Vibration test ........................................................................................................ 32

5.2.1 General ......................................................................................................... 32

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SIST EN 62282-4-101:2014
IEC 62282-4-101:2014 © IEC 2014 – 3 –

5.2.2 Vertical axis test ............................................................................................ 33

5.2.3 Longitudinal and lateral axes tests ................................................................. 33

5.3 Fuel container securement test ............................................................................. 33

5.4 Endurance test...................................................................................................... 33

5.5 External leakage test ............................................................................................ 33

5.5.1 External leakage – Hazardous gas containing portions (determination of

dilution boundary) .......................................................................................... 33

5.5.2 External leakage – Hazardous liquid containing portions ............................... 34

5.6 Ultimate strength test ............................................................................................ 34

5.6.1 Ultimate strength – Hazardous liquids and pressurized parts ......................... 34

5.6.2 Ultimate strength – Hazardous gas and pressurized parts ............................. 34

5.6.3 Ultimate strength -Fuel cell modules ............................................................ 34

5.7 Potential failure modes test ................................................................................... 34

5.8 Temperature test .................................................................................................. 35

5.9 Continuity test ....................................................................................................... 37

5.10 Touch current test ................................................................................................. 37

5.11 Dielectric voltage – Withstand test ........................................................................ 38

5.12 Non-metallic tubing test for accumulation of static electricity ................................. 39

5.12.1 Passing criteria .............................................................................................. 39

5.12.2 Test method .................................................................................................. 39

5.13 Limited power circuit test ...................................................................................... 39

5.14 Maximum VA test .................................................................................................. 40

5.15 Abnormal operation test – Electric equipment failures ........................................... 40

5.16 Emission of effluents test (only for methanol fuel cells) ......................................... 41

5.17 Environmental test ................................................................................................ 41

5.17.1 General ......................................................................................................... 41

5.17.2 Rain test ........................................................................................................ 41

5.17.3 Test of equipment – Exposure to wind ........................................................... 42

5.18 Enclosure tests ..................................................................................................... 42

5.18.1 Enclosure loading test ................................................................................... 42

5.18.2 Test for thermoplastic enclosures .................................................................. 42

5.19 20 mm moulded part needle flame test for thermoplastic materials ....................... 42

5.20 Marking plate adhesion test .................................................................................. 43

5.21 Test for elastomeric seals, gaskets and tubing ...................................................... 43

5.21.1 General ......................................................................................................... 43

5.21.2 Accelerated air-oven aging test ..................................................................... 43

5.21.3 Cold temperature exposure test ..................................................................... 43

5.21.4 Immersion test ............................................................................................... 43

5.22 Test for permeation of non-metallic tubing and piping ........................................... 44

5.23 Test for electrical output leads .............................................................................. 44

6 Routine tests ................................................................................................................. 44

6.1 Dielectric voltage-withstand test ............................................................................ 44

6.2 External leakage ................................................................................................... 44

7 Markings ....................................................................................................................... 44

8 Instructions .................................................................................................................... 45

8.1 General ................................................................................................................. 45

8.2 Maintenance instructions ...................................................................................... 45

8.3 Operating instructions ........................................................................................... 46

8.4 Installation instructions ......................................................................................... 46

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SIST EN 62282-4-101:2014
– 4 – IEC 62282-4-101:2014 © IEC 2014

Annex A (informative) Comparison of pressure terms........................................................... 47

Bibliography .......................................................................................................................... 48

Figure 1 – Fuel cell power systems for industrial trucks .......................................................... 9

Figure 2 – Example of a diagram with vent system covering components downstream

of the regulator ..................................................................................................................... 21

Figure 3 – Example of a diagram with vent system covering all components ........................ 21

Figure 4 – Example of a diagram with vent system covering all components in a

multiple storage tank system ................................................................................................. 22

Figure 5 – Measuring network, touch current weighted for perception or reaction .................. 38

Figure 6 – Diagram for touch current measurement test ........................................................ 38

Table 1 – Appliance-wiring material ...................................................................................... 26

Table 2 – Spacings ............................................................................................................... 31

Table 3 – Temperature rise limits .......................................................................................... 35

Table 4 – Limits for inherently limited power sources ............................................................ 40

Table 5 – Limits for power sources not inherently limited (overcurrent protection

required) .............................................................................

...

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