Incandescent lamps - Safety specifications - Part 3: Tungsten halogen lamps (non-vehicle)

IEC 60432-3:2012 specifies the safety requirements for single-capped and double-capped tungsten halogen lamps, having rated voltages of up to 250 V, used for the following applications:
- projection (including cinematograph and still projection),
- photographic (including studio),
- floodlighting,
- special purpose,
- general purpose,
- stage lighting.
This second edition of IEC 60432-3 cancels and replaces the first edition published in 2002, Amendment 1 (2005) and Amendment 2 (2008). The main changes with respect to the previous edition are as follows:
- adapting the cold fill pressure requirements and tests for self-shielded lamps to the state of the technology,
- introduction of requirements to fully cover photobiological safety according to IEC 62471.

Lampes à incandescence - Prescriptions de sécurité - Partie 3: Lampes tungstène-halogène (véhicules exceptés)

La CEI 60432-3:2012 fournit les exigences de sécurité relatives aux lampes tungstène-halogène à culot unique et à celles à deux culots, ayant des tensions assignées jusqu'à 250 V, utilisées pour les applications suivantes:
- projection (y compris cinéma et projection statique),
- photographie (y compris prise de vues),
- illumination,
- usage special,
- usage general,
- éclairage de scène.
Cette deuxième édition de la 60432-3 annule et remplace la première édition parue en 2002, l'Amendement 1 (2005) et l'Amendement 2 (2008). Par rapport à l'édition précédente, les changements principaux sont les suivants:
- la mise à jour des exigences et essais concernant la pression à froid pour les lampes à écran intégré conformément à l'état de l'art de la technologie,
- l'introduction des exigences pour couvrir intégralement la sécurité photobiologique en conformité avec la CEI 62471.

General Information

Status
Published
Publication Date
03-Jul-2012
Current Stage
PPUB - Publication issued
Start Date
04-Jul-2012
Completion Date
04-Jul-2012
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IEC 60432-3
Edition 2.0 2012-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Incandescent lamps – Safety specifications –
Part 3: Tungsten halogen lamps (non-vehicle)
Lampes à incandescence – Prescriptions de sécurité –
Partie 3: Lampes tungstène-halogène (véhicules exceptés)
IEC 60432-3:2012
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60432-3
Edition 2.0 2012-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Incandescent lamps – Safety specifications –
Part 3: Tungsten halogen lamps (non-vehicle)
Lampes à incandescence – Prescriptions de sécurité –
Partie 3: Lampes tungstène-halogène (véhicules exceptés)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX V
ICS 29.140.20 ISBN 978-2-83220-197-8

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 – 60432-3 © IEC:2012
CONTENTS

FOREWORD ........................................................................................................................... 4

1 General ............................................................................................................................ 6

1.1 Scope ...................................................................................................................... 6

1.2 Normative references .............................................................................................. 6

1.3 Terms and definitions .............................................................................................. 7

2 Requirements ................................................................................................................... 9

2.1 General ................................................................................................................... 9

2.2 Marking ................................................................................................................. 10

2.2.1 Lamp marking ............................................................................................ 10

2.2.2 Additional information and marking ............................................................ 10

2.3 Caps or bases ....................................................................................................... 11

2.3.1 General ..................................................................................................... 11

2.3.2 Creepage distances ................................................................................... 11

2.3.3 Dimensions ................................................................................................ 11

2.4 Photobiological safety ............................................................................................ 12

2.5 Gas pressure of low-pressure self-shielded extra low voltage lamps ....................... 12

2.6 Safety at end of life of self-shielded lamps with rated voltages from range B or

C ........................................................................................................................... 12

2.7 Information for luminaire design ............................................................................. 12

3 Assessment .................................................................................................................... 13

3.1 General ................................................................................................................. 13

3.2 Whole production assessment by means of manufacturer’s records ....................... 13

3.2.1 Assessment of manufacturer’s records for particular tests .......................... 17

3.2.2 Sampling procedures for the whole production testing ................................ 17

3.3 Assessment of batches .......................................................................................... 18

3.3.1 Sampling for batch testing .......................................................................... 18

3.3.2 Number of lamps in the batch sample ........................................................ 18

3.3.3 Sequence of the tests ................................................................................ 18

3.3.4 Rejection conditions of batches .................................................................. 18

Annex A (normative) Symbols............................................................................................... 19

Annex B (normative) Method of testing the gas-pressure ...................................................... 21

Annex C (informative) Information for luminaire design ......................................................... 22

Annex D (normative) Conditions of compliance for design tests ............................................ 28

Annex E (informative) Bulb wall temperature measurement................................................... 29

Annex F (normative) Induced failure test .............................................................................. 30

Bibliography .......................................................................................................................... 32

Table 1 – Grouping of test records – Sampling and acceptable quality levels (AQL) .............. 14

Table 2 – Acceptance numbers AQL = 0,25 % ....................................................................... 15

Table 3 – Acceptance numbers AQL = 0,65 % ....................................................................... 15

Table 4 – Acceptance numbers AQL = 2,5 % ......................................................................... 16

Table 5 – Batch sample size and rejection number ................................................................ 18

Table C.1 – Fuse values for general purpose ELV tungsten halogen lamps ............................ 23

Table C.2 – Fuse values for photographic lamps.................................................................... 24

---------------------- Page: 4 ----------------------
60432-3 © IEC:2012 – 3 –

Table C.3 – List of maximum bulb temperatures .................................................................... 24

Table C.4 – Maximum base-pin temperatures ........................................................................ 25

Table C.5 – Maximum contact temperatures .......................................................................... 26

Table C.6 – Maximum reflector-rim temperatures .................................................................. 26

---------------------- Page: 5 ----------------------
– 4 – 60432-3 © IEC:2012
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INCANDESCENT LAMPS –
SAFETY SPECIFICATIONS –
Part 3: Tungsten halogen lamps (non-vehicle)
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

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2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

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expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

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

International Standard IEC 60432-3 has been prepared by subcommittee 34A: Lamps, of IEC

technical committee 34: Lamps and related equipment.

This second edition of IEC 60432-3 cancels and replaces the first edition published in 2002,

Amendment 1 (2005) and Amendment 2 (2008). The document 34A/1567/FDIS, circulated to

the National Committees as Amendment 3, led to the publication of this new edition.

The main changes with respect to the previous edition are as follows:

– adapting the cold fill pressure requirements and tests for self-shielded lamps to the state of

the technology,

– introduction of requirements to fully cover photobiological safety according to IEC 62471.

---------------------- Page: 6 ----------------------
60432-3 © IEC:2012 – 5 –

The text of this standard is based on the first edition, its Amendments 1 and 2, and the

following documents:
FDIS Report on voting
34A/1567/FDIS 34A/1585/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.

A list of all the parts in the IEC 60432 series, published under the general title Incandescent

lamps – Safety specifications can be found on the IEC website.

The committee has decided that the contents of the base publication and its amendments will

remain unchanged until the maintenance result 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.
---------------------- Page: 7 ----------------------
– 6 – 60432-3 © IEC:2012
INCANDESCENT LAMPS –
SAFETY SPECIFICATIONS –
Part 3: Tungsten halogen lamps (non-vehicle)
1 General
1.1 Scope

This part of IEC 60432 specifies the safety requirements for single-capped and double-capped

tungsten halogen lamps, having rated voltages of up to 250 V, used for the following

applications:
• projection (including cinematograph and still projection),
• photographic (including studio),
• floodlighting,
• special purpose,
• general purpose,
• stage lighting,

This International Standard does not apply to general purpose single-capped tungsten halogen

lamps, covered by IEC 60432-2, that are used as replacement for conventional tungsten

filament lamps.
This part of IEC 60432 covers photobiological safety according to IEC 62471 and

IEC/TR 62471-2. Lamps covered by this part of IEC 60432 do not reach risk levels that require

risk group marking if they are
a) floodlight lamps,
b) general purpose capsule lamps, or
c) general purpose reflector lamps.
1.2 Normative references

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.
IEC 60050-845, International Electrotechnical Vocabulary – Part 845: Lighting
Available from: http://www.electropedia.org/

IEC 60061-1, Lamp caps and holders together with gauges for the control of interchangeability

and safety – Part 1: Lamp caps

IEC 60061-3, Lamp caps and holders together with gauges for the control of interchangeability

and safety – Part 3: Gauges

IEC 60061-4, Lamp caps and holders together with gauges for the control of interchangeability

and safety – Part 4: Guidelines and general information
IEC 60357, Tungsten halogen lamps (non-vehicle) – Performance specifications
---------------------- Page: 8 ----------------------
60432-3 © IEC:2012 – 7 –

IEC 60432-1:1999, Incandescent lamps – Safety specifications – Part 1: Tungsten filament

lamps for domestic and similar general lighting purposes
IEC 62471, Photobiological safety of lamps and lamp systems

IEC/TR 62471-2, Photobiological safety of lamps and lamp systems – Part 2: Guidance on

manufacturing requirements relating to non-laser optical radiation safety
1.3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60050-845 as well as

the following apply.
1.3.1
tungsten halogen lamp

gas-filled lamp containing halogens or halogen compounds, the filament being of tungsten

1.3.2
single-capped tungsten halogen lamp
tungsten halogen lamp having a single cap or base
1.3.3
double-capped tungsten halogen lamp
tungsten halogen lamp having a cap or base on each end of the lamp
1.3.4
extra low voltage tungsten halogen lamp
tungsten halogen lamp with a rated voltage lower than 50 V
Note 1 to entry: Abbreviated: ELV tungsten halogen lamp.
1.3.5
extra low voltage low-pressure tungsten halogen lamp

tungsten halogen lamp with a gas pressure below a certain value and a rated voltage less than

or equal to 12 V
1.3.6
self-shielded tungsten halogen lamp
tungsten halogen lamp for which the luminaire needs no protective shield
Note 1 to entry: Abbreviated: self-shielded lamp.
Examples of self-shielded tungsten halogen lamps are:
 ELV tungsten halogen lamps with integral outer envelope;
 ELV low-pressure tungsten halogen lamps;
 mains voltage tungsten halogen lamps which conform to IEC 60432-2;

 mains voltage tungsten halogen lamps which conform to the relevant clauses of this standard.

1.3.7
outer envelope
transparent or translucent enclosure containing a tungsten halogen light source

Note 1 to entry: The enclosure can also consist of a reflector with integral front cover.

---------------------- Page: 9 ----------------------
– 8 – 60432-3 © IEC:2012
1.3.8
rated voltage

voltage or voltage range specified in this standard or assigned by the manufacturer or

responsible vendor

Note 1 to entry: If lamps are marked with a voltage range, they are appropriate for use on any supply voltage

within that range.
1.3.9
test voltage
rated voltage unless otherwise specified

Note 1 to entry: If lamps are marked with a voltage range, the test voltage is the mean of the voltage range,

unless otherwise specified.
1.3.10
rated wattage

wattage specified in this standard or assigned by the manufacturer or responsible vendor

1.3.11
rated current

current specified in this standard or assigned by the manufacturer or responsible vendor

1.3.12
test current
rated current unless otherwise specified
1.3.13
specific effective radiant UV power
effective power of the UV radiation of a lamp related to its luminous flux

Note 1 to entry: The specific effective radiant UV power is expressed in: mW/klm.

For a reflector lamp, this is the effective irradiance of the UV radiation related to the

illuminance.

Note 2 to entry: The effective irradiance of the UV radiation related to the illuminance is expressed in

mW/(m ·klx).

Note 3 to entry: The effective power (or irradiance) of the UV radiation is obtained by weighting the spectral power

distribution of the lamp with the action spectrum published by the American Conference of Governmental Industrial

Hygienists (ACGIH), which is endorsed by the World Health Organization (WHO) and recommended by the

International Radiation Protection Association (IRPA). For references, see Bibliography.

1.3.14
maximum pinch temperature

maximum temperature which the components in the pinch/seal of a lamp are designed to

withstand over the expected life of the lamp
1.3.15
maximum lamp cap-contact, base-pin or base-post temperature

maximum temperature of the lamp cap-contact, base-pin or base-post, which should be

observed to safeguard electrical contact over the expected life of the lamp
1.3.16
maximum cap temperature

maximum temperature for which the components in the cap area of a lamp are designed

to withstand over the expected life of the lamp
---------------------- Page: 10 ----------------------
60432-3 © IEC:2012 – 9 –
1.3.17
maximum reflector-rim temperature

maximum temperature for which the connection between front cover and reflector is designed

to withstand over the expected life of the lamp
1.3.18
group
lamps for the same application as defined by the scope of this standard
1.3.19
type
lamps of the same group having the same nominal wattage, bulb shape and cap
1.3.20
family

grouping of lamps characterized by common features such as materials, components and/or

method of processing
1.3.21
design test

test made on a sample for the purpose of checking compliance of the design of a family, group

or a number of groups with the requirements of the relevant clause
1.3.22
periodic test

test, or series of tests, repeated at intervals in order to check that a product does not deviate in

certain respects from the given design
1.3.23
running test
test repeated at frequent intervals to provide data for assessment
1.3.24
batch

all lamps in one family and/or group and identified as such and put forward at one time for

checking compliance
1.3.25
whole production

production during a period of twelve months of all types of lamps within the scope of this

standard and nominated in a list of the manufacturer for inclusion in the certificate

1.3.26
breakdown

plasma discharge between two points inside the bulb of the lamp with maximum difference of

electrical potential

Note 1 to entry: For the purposes of this standard, it is assumed that breakdown has occurred if the current

exceeds the rated current by a factor of 5 (under consideration).
2 Requirements
2.1 General

Tungsten halogen lamps shall be so designed and constructed that in normal use they present

no danger to the user or surroundings.
---------------------- Page: 11 ----------------------
– 10 – 60432-3 © IEC:2012

In general, compliance is checked by carrying out all the relevant tests specified in this

standard. For the purposes of this standard, the voltage designations shown in IEC 60357

apply.
2.2 Marking
2.2.1 Lamp marking
The following information shall be legibly and durably marked on the lamps:

– mark of origin (this may take the form of a trademark, the manufacturer's name, the brand

name or the name of the responsible vendor);
– rated wattage (marked “W” or “watts”);

– rated voltage or rated voltage range (marked “V” or “volts”), or for airfield lamps the rated

current (marked “A”).

The rated voltage marking for lamps intended for use on United Kingdom supply voltages may

be “240 volts” or “240 V”.

NOTE The United Kingdom implementation of 230 V (European harmonization process) allows supply voltages to

remain at 240 V.
Compliance is checked on unused lamps as follows:
– presence and legibility by visual inspection;
– durability by applying the following test.

The area of the marking on the lamp shall be rubbed by hand with a smooth cloth, moistened

with water, for a period of 15 s.
After this test, the marking shall still be legible.
2.2.2 Additional information and marking
If applicable, the following information shall be given.

a) Lamps shall be supplied with an appropriate cautionary notice indicating the need of a

protective shield to be fitted to the luminaire. Alternatively the immediate lamp wrapping or

container may be marked with the corresponding symbol as shown in Clause A.1.

NOTE In North America, a suitable cautionary notice is required. Use of the symbol is optional.

b) For self-shielded lamps (not needing luminaire shielding), the immediate lamp wrapping or

container shall be marked with the symbol as shown in Clause A.2.
NOTE 1 This does not apply to lamps covered by IEC 60432-2.
NOTE 2 In North America, a written notice may be used in place of this symbol.

c) For dichroic-coated reflector lamps, the immediate lamp wrapping or container shall be

marked with the symbol as shown in Clause A.3.
NOTE This symbol is not required in North America.

d) Double-capped lamps, with rated voltages 50 V – 250 V, shall be supplied with a cautionary

notice or symbol as shown in Clause A.4 indicating that the luminaire shall be disconnected

from the power supply before insertion or withdrawal of the lamp.

NOTE 1 In the USA, special package marking is required regarding the use of 500 W double-capped halogen

lamps in residential indoor luminaires.

NOTE 2 In North America, a suitable cautionary notice is required. Use of the symbol is optional.

---------------------- Page: 12 ----------------------
60432-3 © IEC:2012 – 11 –

e) Projection lamps, photographic lamps, special purpose and stage lighting lamps shall be

marked with the following symbol on the packaging or accompanying information.

f) Projection lamps, photographic lamps, special purpose and stage lighting lamps shall be

marked with the following symbol on the packaging or accompanying information.

Information shall be given on the manufacturer's homepage, catalogue or similar means of

information on how to address IR hazards properly.
Compliance is checked by visual inspection.
2.3 Caps or bases
2.3.1 General

Caps or bases originally developed for single-capped ELV lamps shall not be used for general

purpose tungsten halogen lamps with rated voltages higher than 50 V.

NOTE Examples of such ELV fits are: G4, GU4, GY4, GX5.3, GU5.3, G6.35, GY6.35, GU7 and G53.

The GU10 base shall be used for aluminised reflector lamps only. The G9, GU10 or GZ10 base

shall be used for self-shielded lamps only.
Compliance is checked by inspection.
2.3.2 Creepage distances

The minimum creepage distance between contacts or between contacts and the metal shell of

the cap, if any, shall be in accordance with the recommendations in IEC 60061-4.
Compliance is checked by measurement.
2.3.3 Dimensions

If tungsten halogen lamps use standardized caps/bases they shall be in accordance with the

requirements of IEC 60061-1.
Compliance is checked on finished lamps by using the gauges of IEC 60061-3.
---------------------- Page: 13 ----------------------
– 12 – 60432-3 © IEC:2012

Non standardized caps/bases shall be in accordance with the manufacturer's specification.

Compliance is checked by inspection.
2.4 Photobiological safety

The specific effective radiant UV power of self-shielded tungsten halogen lamps shall not

exceed:
– 2 mW/klm or,
– for reflector lamps 2 mW/(m ·klx).
Compliance is checked by measurement of the spectral power distribution.
NOTE Blue light and infrared hazards are covered by marking requirements.
2.5 Gas pressure of low-pressure self-shielded extra low voltage lamps

During operation, the gas pressure of single-capped low-pressure self-shielded ELV tungsten

halogen lamps shall be limited. This shall be achieved by restricting:

a) the cold fill pressure to less than 1 × 10 Pa (1 bar) for rated wattages above 50 W and up

to 100 W, and

b) the cold fill pressure to less than 4 × 10 Pa (4 bar) for rated wattages up to 50 W, and

c) the lamp volume to 1 cm maximum.

Compliance is checked by inspection and by means of the test specified in Annex B.

2.6 Safety at end of life of self-shielded lamps w
...

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