Household and similar electrical appliances - Safety - Part 2-75: Particular requirements for commercial dispensing appliances and vending machines

IEC 60335-2-75:2012 deals with the safety of electric commercial dispensing appliances and vending machines for preparation or delivery of food, drinks and consumer products, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. Examples of appliances that are within the scope of this standard are bulk tea or coffee brewing machines, cigarette vending machines, coffee grinders, commercial liquid heaters, coffee makers with or without integrated coffee grinder, coffee makers with cooling systems, hot and cold beverage vending machines, hot water dispensers, ice cream and whipped cream dispensers, ice dispensers, newspaper, audio or video tape or disc vending machines, packaged food and drink vending machines and refrigerated merchandisers. Appliances can have more than one function. Other standards may be applicable for some functions such as refrigeration (IEC 60335-2-24) and heating by microwaves (IEC 60335-2-25). This standard also deals with the hygiene aspects of appliances. As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by users and maintenance persons. However, in general, it does not take into account young children playing with the appliance. This third edition cancels and replaces the second edition published in 2002 including its Amendment 1 (2004) and its Amendment 2 (2008). It constitutes a technical revision. The principal changes in this edition as compared with the second edition of IEC 60335-2-75 are as follows: some notes have been deleted or converted to normative text (5.2, 5.6, 5.104, 7.12.1, 7.12.101.1, 11.2, 11.8, 15.2.103, 15.2.104, 15.2.106, 15.2.109, 15.2.111, 19.102, 19.6, 19.13, 19.101, 22.6, 22.7, 22.112, 22.113, 22.114, 24.102, 27.2), added requirements for espresso coffee makers in 3.115, 22.114 and throughout standard, modified 11.4 to address heating appliances with electronic process controls and 11.6 to address combined appliances without electronic process controls, modified Clause 22 to indicate that pressure regulating devices are to be rendered inoperable and deleted ISO 13732-1 from Bibliography. The attention of National Committees is drawn to the fact that equipment manufacturers and testing organizations may need a transitional period following publication of a new, amended or revised IEC publication in which to make products in accordance with the new requirements and to equip themselves for conducting new or revised tests. It is the recommendation of the committee that the content of this publication be adopted for implementation nationally not earlier than 12 months or later than 36 months from the date of publication. Keywords: Vending machines, Dispensers.

Appareils électrodomestiques et analogues - Sécurité - Partie 2-75: Exigences particulières pour les distributeurs commerciaux avec ou sans moyen de paiement

La CEI 60335-2-75:2012 traite de la sécurité des distributeurs commerciaux électriques avec ou sans moyen de paiement, destinés à la préparation et à la distribution d'aliments, de boissons et de produits de consommation, leur tension assignée n'étant pas supérieure à 250 V pour les appareils monophasés et à 480 V pour les autres appareils. Comme exemples d'appareils entrant dans le domaine d'application de la présente norme, on peut citer les machines à thé ou à café en vrac, les distributeurs avec moyen de paiement de cigarettes, les moulins à café, les appareils de chauffage des liquides à usage commercial, les cafetières avec ou sans moulin à café intégré, les cafétières avec système réfrigérant, les distributeurs avec moyen de paiement de boissons chaudes ou froides, les distributeurs d'eau chaude, les distributeurs de crème glacée ou de crème fouettée, les distributeurs de glace, les distributeurs avec moyen de paiement de journaux, de bandes ou disques audio ou vidéo, les distributeurs avec moyen de paiement de boissons et de nourriture sous emballage et les présentoirs réfrigérés. Les appareils peuvent avoir plusieurs fonctions. D'autres normes peuvent être applicables pour certaines fonctions telles que la réfrigération (CEI 60335-2-24) et le chauffage par micro-ondes (CEI 60335-2-25). La présente norme traite également des aspects relatifs à l'hygiène des appareils. Dans la mesure du possible, la présente norme traite des risques ordinaires présentés par les appareils, encourus par les utilisateurs et les agents d'entretien. Cependant, cette norme ne tient pas compte en général de l'emploi de l'appareil comme jouet par des jeunes enfants. Cette troisième édition annule et remplace la deuxième édition parue en 2002, y compris son Amendement 1 (2004) et son Amendement 2 (2008). Elle constitue une révision technique. Par rapport à la deuxième édition de la CEI 60335-2-75, les principales modifications indiquées ci-après ont été apportées dans la présente édition; certaines notes ont été supprimées ou converties en texte normative (5.2, 5.6, 5.104, 7.12.1, 7.12.101.1, 11.2, 11.8, 15.2.103, 15.2.104, 15.2.106, 15.2.109, 15.2.111, 19.102, 19.6, 19.13, 19.101, 22.6, 22.7, 22.112, 22.113, 22.114, 24.102, 27.2), ajout d'exigences pour les cafetières expresso en 3.115, 22.114 et dans toute la norme, modification de 11.4 en vue de traiter des appareils chauffants munis de dispositifs de commande de processus électroniques et de 11.6 en vue de traiter des appareils combinés exempts de dispositifs de commande de processus électroniques, modification de l'Article 22 en vue d'indiquer que les dispositifs de régulation de pression doivent à présent être dans l'impossibilité de fonctionner, suppression de l'ISO 13732-1 de la Bibliographie. L'attention des Comités Nationaux est attirée sur le fait que les fabricants d'appareils et les organismes d'essai peuvent avoir besoin d'une période transitoire après la publication d'une nouvelle publication CEI, ou d'une publication amendée ou révisée, pour fabriquer des produits conformes aux nouvelles exigences et pour adapter leurs équipements aux nouveaux essais ou aux essais révisés. Le comité recommande que le contenu de cette publication soit entériné au niveau national au plus tôt 12 mois et au plus tard 36 mois après la date de publication. Mots-clés : distribution d'aliments, distributeurs

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Status
Published
Publication Date
13-Dec-2012
Current Stage
PPUB - Publication issued
Start Date
14-Dec-2012
Completion Date
14-Dec-2012
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IEC 60335-2-75
Edition 3.0 2012-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-75: Particular requirements for commercial dispensing appliances and
vending machines
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-75: Exigences particulières pour les distributeurs commerciaux avec ou
sans moyen de paiement
IEC 60335-2-75:2012
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
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---------------------- Page: 2 ----------------------
IEC 60335-2-75
Edition 3.0 2012-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Safety –
Part 2-75: Particular requirements for commercial dispensing appliances and
vending machines
Appareils électrodomestiques et analogues – Sécurité –
Partie 2-75: Exigences particulières pour les distributeurs commerciaux avec ou
sans moyen de paiement
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX V
ICS 55.230 ISBN 978-2-83220-513-6

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: 3 ----------------------
– 2 – 60335-2-75 © IEC:2012
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 6

1 Scope ............................................................................................................................... 7

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

3 Terms and definitions ....................................................................................................... 8

4 General requirement ....................................................................................................... 10

5 General conditions for the tests ...................................................................................... 10

6 Classification .................................................................................................................. 11

7 Marking and instructions ................................................................................................. 12

8 Protection against access to live parts ............................................................................ 14

9 Starting of motor-operated appliances ............................................................................ 14

10 Power input and current.................................................................................................. 14

11 Heating........................................................................................................................... 14

12 Void ................................................................................................................................ 15

13 Leakage current and electric strength at operating temperature ...................................... 15

14 Transient overvoltages ................................................................................................... 16

15 Moisture resistance ........................................................................................................ 16

16 Leakage current and electric strength ............................................................................. 19

17 Overload protection of transformers and associated circuits ........................................... 19

18 Endurance ...................................................................................................................... 19

19 Abnormal operation ........................................................................................................ 19

20 Stability and mechanical hazards.................................................................................... 21

21 Mechanical strength ....................................................................................................... 21

22 Construction ................................................................................................................... 21

23 Internal wiring ................................................................................................................. 24

24 Components ................................................................................................................... 25

25 Supply connection and external flexible cords ................................................................ 26

26 Terminals for external conductors ................................................................................... 26

27 Provision for earthing ..................................................................................................... 26

28 Screws and connections ................................................................................................. 26

29 Clearances, creepage distances and solid insulation ...................................................... 27

30 Resistance to heat and fire ............................................................................................. 27

31 Resistance to rusting ...................................................................................................... 27

32 Radiation, toxicity and similar hazards ............................................................................ 27

Annexes ............................................................................................................................... 29

Annex AA (normative) Aging test for elastomeric parts ......................................................... 29

Bibliography .......................................................................................................................... 31

Figure 101 – Splash apparatus ............................................................................................. 28

---------------------- Page: 4 ----------------------
60335-2-75 © IEC:2012 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-75: Particular requirements for commercial
dispensing appliances and vending machines
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.

This part of International Standard IEC 60335 has been prepared by IEC technical committee 61:

Safety of household and similar electrical appliances.

This third edition cancels and replaces the second edition published in 2002 including its

Amendment 1 (2004) and its Amendment 2 (2008). It constitutes a technical revision.

The principal changes in this edition as compared with the second edition of IEC 60335-2-75

are as follows (minor changes are not listed):

• some notes have been deleted or converted to normative text (5.2, 5.6, 5.104, 7.12.1,

7.12.101.1, 11.2, 11.8, 15.2.103, 15.2.104, 15.2.106, 15.2.109, 15.2.111, 19.102, 19.6, 19.13,

19.101, 22.6, 22.7, 22.112, 22.113, 22.114, 24.102, 27.2).

• added requirements for espresso coffee makers in 3.115, 22.114 and throughout standard;

---------------------- Page: 5 ----------------------
– 4 – 60335-2-75 © IEC:2012

• modified 11.4 to address heating appliances with electronic process controls and 11.6 to

address combined appliances without electronic process controls;

• modified Clause 22 to indicate that pressure regulating devices are to be rendered

inoperable;
• deleted ISO 13732-1 from Bibliography.
The text of this standard is based on the following documents:
FDIS Report on voting
61/4458/FDIS 61/4512/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.

This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its

amendments. It was established on the basis of the fifth edition (2010) of that standard.

NOTE 1 When “Part 1” is mentioned in this standard, it refers to IEC 60335-1.

This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as to

convert that publication into the IEC standard: Safety requirements for commercial dispensing

appliances and vending machines.

When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies

as far as is reasonable. When this standard states “addition”, “modification” or “replacement”,

the relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:

– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;

– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including

those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.

Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and the

associated noun are also in bold.

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.

NOTE 4 The attention of National Committees is drawn to the fact that equipment manufacturers and testing

organizations may need a transitional period following publication of a new, amended or revised IEC publication in

which to make products in accordance with the new requirements and to equip themselves for conducting new or

revised tests.
---------------------- Page: 6 ----------------------
60335-2-75 © IEC:2012 – 5 –

It is the recommendation of the committee that the content of this publication be adopted for implementation

nationally not earlier than 12 months or later than 36 months from the date of publication.

A list of all parts of the IEC 60335 series, under the general title: Household and similar

electrical appliances – Safety, can be found on the IEC website.
The following differences exist in the countries indicated below.

– 6.1: Class 0I is allowed for appliances used indoors having a rated voltage not exceeding

150 V (Japan).
– 13.2: The leakage current limits are different (Japan).
– 16.2: The leakage current limits are different (Japan).
---------------------- Page: 7 ----------------------
– 6 – 60335-2-75 © IEC:2012
INTRODUCTION

It has been assumed in the drafting of this International Standard that the execution of its

provisions is entrusted to appropriately qualified and experienced persons.

This standard recognizes the internationally accepted level of protection against hazards such

as electrical, mechanical, thermal, fire and radiation of appliances when operated as in

normal use taking into account the manufacturer's instructions. It also covers abnormal

situations that can be expected in practice and takes into account the way in which

electromagnetic phenomena can affect the safe operation of appliances.

This standard takes into account the requirements of IEC 60364 as far as possible so that

there is compatibility with the wiring rules when the appliance is connected to the supply

mains. However, national wiring rules may differ.

If an appliance within the scope of this standard also incorporates functions that are covered

by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as

far as is reasonable. If applicable, the influence of one function on the other is taken into

account.

When a part 2 standard does not include additional requirements to cover hazards dealt with

in Part 1, Part 1 applies.

NOTE 1 This means that the technical committees responsible for the part 2 standards have determined that it is

not necessary to specify particular requirements for the appliance in question over and above the general

requirements.

This standard is a product family standard dealing with the safety of appliances and takes

precedence over horizontal and generic standards covering the same subject.

NOTE 2 Horizontal and generic standards covering a hazard are not applicable since they have been taken into

consideration when developing the general and particular requirements for the IEC 60335 series of standards. For

example, in the case of temperature requirements for surfaces on many appliances, generic standards, such as

ISO 13732-1 for hot surfaces, are not applicable in addition to Part 1 or part 2 standards.

An appliance that complies with the text of this standard will not necessarily be considered to

comply with the safety principles of the standard if, when examined and tested, it is found to

have other features that impair the level of safety covered by these requirements.

An appliance employing materials or having forms of construction differing from those detailed

in the requirements of this standard may be examined and tested according to the intent of

the requirements and, if found to be substantially equivalent, may be considered to comply

with the standard.
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60335-2-75 © IEC:2012 – 7 –
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-75: Particular requirements for commercial
dispensing appliances and vending machines
1 Scope
This clause of Part 1 is replaced by the following.

This International Standard deals with the safety of electric commercial dispensing

appliances and vending machines for preparation or delivery of food, drinks and consumer

products, their rated voltage being not more than 250 V for single-phase appliances and

480 V for other appliances.
NOTE 101 Examples of appliances that are within the scope of this standard are
– bulk tea or coffee brewing machines;
– cigarette vending machines;
– coffee grinders;
– commercial liquid heaters;
– coffee makers with or without integrated coffee grinder;
– coffee makers with cooling systems;
– hot and cold beverage vending machines;
– hot water dispensers;
– ice cream and whipped cream dispensers;
– ice dispensers;
– newspaper, audio or video tape or disc vending machines;
– packaged food and drink vending machines;
– refrigerated merchandisers.
Appliances can have more than one function.
NOTE 102 Other standards may be applicable for some functions such as
– refrigeration (IEC 60335-2-24);
– heating by microwaves (IEC 60335-2-25).
This standard also deals with the hygiene aspects of appliances.

As far as is practicable, this standard deals with the common hazards presented by

appliances that are encountered by users and maintenance persons. However, in general, it

does not take into account young children playing with the appliance.
NOTE 103 Attention is drawn to the fact that

– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be

necessary;

– in many countries, additional requirements for appliances incorporating pressure vessels are specified;

– in many countries, additional requirements are specified by the national health authorities, the national

authorities responsible for the protection of labour, the national water supply authorities and similar authorities.

NOTE 104 This standard does not apply to
– appliances intended to be used exclusively for household purposes;
– appliances intended to be used exclusively for industrial purposes;
---------------------- Page: 9 ----------------------
– 8 – 60335-2-75 © IEC:2012

– appliances intended to be used in locations where special conditions prevail, such as the presence of a

corrosive or explosive atmosphere (dust, vapour or gas);
– commercial electric boiling pans (IEC 60335-2-47);
– commercial electric bains-marie (IEC 60335-2-50);
– amusement machines and personal service machines (IEC 60335-2-82);
– appliances solely used for dispensing money;
– display cabinets;
– appliances incorporating electrode-type water heaters.
2 Normative references
This clause of Part 1 is applicable except as follows.
Addition:

IEC 60335-2-34, Household and similar electrical appliances – Safety – Part 2-34: Particular

requirements for motor-compressors

ISO 1817:2011, Rubber, vulcanized or thermoplastic – Determination of the effect of liquids

3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.1.9 Replacement:
normal operation
operation of the appliance under the following conditions:

The appliance is operated in the standby mode until steady conditions are established and

then under the most unfavourable dispensing procedure. The appliance is refilled when

necessary in accordance with the instructions for use, or the instructions for maintenance,

and the next operating period started as soon as possible.
Lids and covers of appliances of the professional type and of appliances of the
supervised type are placed in their intended positions.

Coffee makers are operated with their container filled with the rated capacity of water, or

connected to the water mains, if applicable. Coffee makers with a heated surface intended to

keep the liquid warm are operated with or without the container, whichever is the more

unfavourable.
3.6.2 Replacement:
detachable part

part that can be removed without the aid of a tool, a part that is removed in accordance with

the instructions for use or the instructions for maintenance, even if a tool or access key is

needed for removal, or a part that does not fulfill the test of 22.11

Note 1 to entry: If a part has to be removed for installation purposes, this part is not considered to be detachable

even if the instructions state that it is to be removed.

Note 2 to entry: A part that can be opened is considered to be a part that can be removed.

3.7.3 Replacement:
thermal cut-out

device that during abnormal operation limits the temperature of the controlled part by

automatically opening the circuit, or reducing the current, and is constructed so that its setting

cannot be altered by the user or the maintenance person
---------------------- Page: 10 ----------------------
60335-2-75 © IEC:2012 – 9 –
3.8.5 Replacement:
maintenance operation

operation performed in the maintenance area or user area, such as preparing the appliance

for new products or new operating methods, cleaning, price changing, replenishing, coin

collecting and setting of controls or similar operations

Note 1 to entry: Maintenance operation does not include operations performed in the service area.

3.101
rated pressure
pressure assigned to the pressurized parts of the appliance by the manufacturer
3.102
standby mode

state of the appliance when filled as intended with ingredients or products, energized and

ready for use, cash boxes and overflow containers being empty
3.103
access key

key or other means that gives access to the maintenance area but does not give access to

the service area

Note 1 to entry: "Other means" includes a tool or operation by codes or signals produced by optical or electro-

magnetic sources.
3.104
override key
key or other means that is used to render an interlock inoperative
3.105
dispensing appliance

appliance intended to deliver or make available food, drinks or other consumer products

Note 1 to entry: The appliance may also prepare the products.

Note 2 to entry: The dispensing operation may be initiated manually or by means such as coins or credit cards.

3.106
vending machine

dispensing appliance that is operated by coins, credit cards or other means of payment

3.107
instructions for maintenance

instructions explaining how to carry out cleaning, replenishing, coin collecting, setting of

controls and similar operations
3.108
maintenance person

person who maintains the appliance in accordance with the instructions for maintenance

3.109
user area
area where access is gained without the use of an access key or a tool

Note 1 to entry: The user area of appliances of the supervised type is determined with detachable parts and

other movable parts, such as doors and lids, in position as in normal use.
Note 2 to entry: Appliances of the professional type have no user area.
---------------------- Page: 11 ----------------------
– 10 – 60335-2-75 © IEC:2012
3.110
maintenance area
area where access can only be gained by the use of an access key
3.111
service area
area where access cannot be gained by the use of an access key alone
3.112
appliance of the professional type

dispensing appliance that is only intended to be used by trained personnel such as kitchen

or bar staff
3.113
appliance of the supervised type

dispensing appliance that is intended to be maintained by trained personnel but may be

used by other persons in a location where its use is overseen
Note 1 to entry: Dining rooms in restaurants are examples of such locations.
3.114
potentially hazardous food

food which includes natural or synthetic ingredients that are capable of supporting rapid and

progressive growth of pathogenic or toxin producing micro-organisms

Note 1 to entry: Examples of potentially hazardous food are milk, eggs, meat, poultry, shellfish, crustaceans,

and their products, either raw or heat treated, as well as food of plant origin that is ready for consumption without

the need for any further preparation or processing.

Note 2 to entry: Food may become potentially hazardous food during processing, for example when powdered

ingredients are mixed with water or when food is stored at incorrect temperature.

Note 3
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