IEC 62532:2011

IEC 62532 ®
Edition 1.0 2011-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Fluorescent induction lamps – Safety specifications

Lampes à fluorescence à induction – Spécifications de sécurité

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IEC 62532 ®
Edition 1.0 2011-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Fluorescent induction lamps – Safety specifications

Lampes à fluorescence à induction – Spécifications de sécurité

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX T
ICS 29.140.30 ISBN 978-2-88912-352-0

– 2 – 62532  IEC:2011
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Safety requirements . 8
4.1 General . 8
4.2 Marking . 8
4.2.1 Marking of the lamps . 8
4.2.2 Requirements . 9
4.3 Requirements for mechanical and electrical connections . 9
4.3.1 Construction and assembly of the lamp . 9
4.3.2 Requirements for electrical connections . 9
4.3.3 Caps and holders . 9
4.4 Insulation resistance . 9
4.4.1 Test method to determine insulation resistance after humidity
treatment . 9
4.4.2 Requirement for the insulation resistance . 10
4.5 Electric strength . 10
4.5.1 Test method to determine the electric strength . 10
4.5.2 Requirement for the electric strength . 10
4.5.3 Compliance . 10
4.6 Parts which can become accidentally live . 10
4.6.1 Metal parts intended to be insulated . 10
4.6.2 Live parts that project from the lamp . 10
4.6.3 Methods to show compliance . 11
4.7 Resistance to heat and fire . 11
4.8 Creepage distances and clearances for lamps . 11
4.9 Temperature rise of the measuring points . 11
4.10 Endurance . 11
4.11 UV radiation . 11
4.12 Information for luminaire design . 11
4.13 Information for ballast design . 11
5 Assessment . 11
Annex A (informative) Schematic drawings of induction lamps . 12
Annex B (informative) Information for luminaire design . 15
Annex C (normative) Schematic drawings for insulation resistance test . 16
Annex D (informative) Information for ballast design . 17
Annex E (normative) Information for thermal test . 19
Annex F (normative) Values and method of measurement of the maximum
temperature rise of the measurement points . 21
Bibliography . 25

62532  IEC:2011 – 3 –
Figure A.1 – Schematic drawing of an internal coupled induction lamp (operating
frequency 2 500 kHz to 3 000 kHz) . 12
Figure A.2 – Schematic drawing of an internal coupled induction lamp (operating
frequency 120 kHz to 145 kHz) . 13
Figure A.3 – Schematic drawing of an external coupled induction lamp (operating
frequency 225 kHz to 275 kHz) . 14
Figure C.1 – Test set up for measurement insulation resistance of internal coupled
induction lamp . 16
Figure C.2 – Test set up for measurement of insulation resistance external coupled
induction lamp . 16
Figure F.1 – Temperature test point of internal coupled induction lamp (operating
frequency 2 500 kHz to 3 000 kHz) . 22
Figure F.2 – Temperature test point of internal coupled induction lamp (operating
frequency 120 kHz to 145 kHz) . 23
Figure F.3 – Temperature test points of external coupled induction lamp (operating
frequency 225 kHz to 275 kHz) . 24

Table 1 – Requirements for the electric strength . 10
Table B.1 – Maximum temperature at measurement point(s) under operating condition . 15
Table D.1 – Maximum operating voltage of induction lamps between lamp terminals
and between lamp terminals and ground . 17
Table D.2 – Maximum voltage between lamp terminals . 18
Table E.1 – Heating test temperature levels . 19
Table F.1 – Maximum temperature rise of the lamp temperature test points . 21
Table F.2 – Dimensions of the heat sink of internally coupled induction lamps . 23

– 4 – 62532  IEC:2011
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FLUORESCENT INDUCTION LAMPS –
SAFETY SPECIFICATIONS
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
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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
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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
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expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62532 has been prepared by subcommittee 34A: Lamps, of IEC
technical committee 34: Lamps and related equipment.
The text of this standard is based on the following documents:
FDIS Report on voting
34A/1422/FDIS 34A/1446/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.

62532  IEC:2011 – 5 –
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.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
– 6 – 62532  IEC:2011
FLUORESCENT INDUCTION LAMPS –
SAFETY SPECIFICATIONS
1 Scope
This International Standard specifies the safety requirements for fluorescent induction lamps
for general lighting purposes.
It also specifies the method a manufacturer should use to show compliance with the
requirements of this standard on the basis of whole production appraisal in association with
his test records on finished products. This method can also be applied for certification
purposes.
Details of a batch test procedure, which can be used to make limited assessment of batches,
are also given in this standard.
The schematic drawings of the systems are shown in Annex A.
NOTE Self-ballasted induction lamps (where the discharge vessel, the power coupler and the control gear are
integrated in the same product) are excluded from the scope of this standard.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 60061, Lamp caps and holders together with gauges for the control of interchangeability
and safety
IEC 60360:1998, Standard method of measurement of lamp cap temperature rise
IEC 60598-1:2008, Luminaires – Part 1: General requirements and tests
IEC 60901, Single-capped fluorescent lamps. Performance specifications
IEC 60695-2-10, Fire Hazard testing – Part 2-10: Glowing/hot-wire based test methods –
Glow-wire apparatus and common test procedure
IEC 60695-2-11, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods –
Glow-wire flammability test method for end-products
IEC 61347-1, Lamp control gear – Part 1: General and safety requirements
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
induction lamp
assembly of a low pressure mercury discharge vessel and an inductive power coupler

62532  IEC:2011 – 7 –
3.2
discharge vessel (closed containment description)
vessel containing at least a low pressure mercury vapour, which will be energized by means
of the inductive coupler
NOTE 1 The ultra violet radiation from the resulting discharge is converted by a layer of fluorescent material into
visible light.
NOTE 2 The discharge vessel may have means of mechanical fixation to position it to the inductive power
coupler.
3.3
inductive power coupler
component to transform high frequency electrical energy, by means of induction, in order to
energize the low pressure mercury in the discharge vessel
NOTE 1 The component includes electrical connection.
NOTE 2 The inductive power coupler can contain a means to fixate and position the discharge vessel.
3.4
mechanical interface
means to fixate and position the induction lamp
3.5
internally coupled induction lamp
induction lamp where the coupler is partly surrounded by the discharge vessel
3.6
externally coupled induction lamp
induction lamp where the discharge vessel is partly surrounded by the coupler
3.7
group
lamps having the same electrical characteristics and physical dimensions
3.8
type
lamps of the same group having the same photometric and colour characteristics
3.9
family
lamp groups which have common features of materials, components, and/or method of
processing
3.10
nominal wattage
wattage used to designate the lamp
3.11
working voltage
highest RMS voltage which may occur across any insulation at rated supply voltage,
transients being neglected, in open-circuit conditions or during normal operation
3.12
equilibrium temperature
steady-state temperature of a lamp reached after a sufficient operating time

– 8 – 62532  IEC:2011
3.13
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
3.14
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
3.15
running test
test repeated at frequent intervals to provide data for assessment
3.16
batch
all lamps of one family and/or group and identified as such and put forward at one time for
test or checking compliance
3.17
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
4 Safety requirements
4.1 General
In this document, the term “lamp” stands for “induction lamp”.
Lamps shall be so designed and constructed that in normal use they present no danger to the
user or the surroundings if operated with a ballast complying with IEC 61347-1.
In general, compliance is checked by carrying out all the tests specified.
All plastic materials shall meet all safety requirements of this standard after exposure to UV
and temperature over the claimed lifetime of the lamp. Any accelerated test shall correspond
to the real lifetime effect. The allowed temperature range for the use of the lamp as given by
the lamp manufacturer or responsible vendor shall be noticed.
Plastic material which is directly exposed to UV by the lamp shall be tested at a wavelength of
254 nm. UV irradiance, temperature and testing time are under consideration.
Schematic drawings of the construction of internally and externally coupled induction lamps
are given in Annex A.
4.2 Marking
4.2.1 Marking of the lamps
The following information shall be legibly and durably marked on the lamps:
a) mark of origin (this may take the form of a trade mark, the manufacturer's name or the
name of the responsible vendor);
b) the nominal wattage (marked "W" or "watts") or any other indication which identifies the
lamp.
62532  IEC:2011 – 9 –
4.2.2 Requirements
Compliance is checked by the following:
a) presence and legibility of the marking by visual inspection;
b) durability of marking by applying the following test on unused lamps.
The area of the marking on the lamp shall be rubbed by hand with a smooth cloth damped
with water for a period of 15 s.
After this test, the marking shall still be legible.
4.3 Requirements for mechanical and electrical connections
4.3.1 Construction and assembly of the lamp
The construction shall be such that the whole assembly remains safe during and after
operation.
Wiring and cables shall be so situated or protected that they cannot be damaged by sharp
edges, rivets, screws and similar components. Wiring and cables shall not be twisted through
an angle exceeding 360°.
Compliance is checked by visual inspection.
Minimum bending radius, as specified in the manufacturer’s documentation, of the applied
cables and wiring should be observed.
Compliance is checked by measurement of the radii.
4.3.2 Requirements for electrical connections
Electrical connections shall have adequate electrical performance and mechanical strength.
Compliance is checked by carrying out the same kind of tests as given in section 15 of
IEC 60598-1.
4.3.3 Caps and holders
If applicable, the requirements of IEC 60061 apply.
4.4 Insulation resistance
4.4.1 Test method to determine insulation resistance after humidity treatment
Wrap a copper foil around the lamp and connect it to metal parts if any. For schematic
drawing, see Annex c. The lamp shall be conditioned for 48 h in a cabinet containing air with
a relative humidity between 91 % and 95 %. The temperature of the air, t, is maintained within
1 °C of any convenient value between 20 °C and 30 °C.
Before being placed in the humidity cabinet, the lamp wrapped with copper foil is brought to a
temperature between t and (t + 4) °C.
Before the insulation test, visible drops of water, if any, are removed by means of blotting
paper.
Immediately after the moisture treatment, the insulation resistance shall be measured with a
d.c. voltage of 500 V, 1 min after application of the voltage.

– 10 – 62532  IEC:2011
4.4.2 Requirement for the insulation resistance
The insulation resistance between the foil and all lamp connections connected together shall
not be less than 2 MΩ.
4.5 Electric strength
4.5.1 Test method to determine the electric strength
Immediately after the insulation resistance test, the same parts as those referred to in 4.4
shall withstand the test voltage of 4.5.2.
The high-voltage transformer used for the test shall be so designed that when the output
terminals are short-circuited after the output voltage has been adjusted to the appropriate test
voltage, the output current is at least 200 mA.
The overcurrent relay shall not trip when the output current is less than 100 mA.
The r.m.s. value of the test voltage applied shall be measured to within ±3 %.
The metal foil referred to in 4.4 shall be placed so that no flashover occurs at the edges of the
insulation.
4.5.2 Requirement for the electric strength
Compliance is checked with a test voltage of substantially sine-wave form, see Table 1, with a
frequency of 50 Hz or 60 Hz and applied for 1 min. Initially, not more than half the prescribed
voltage shall be applied; it shall then be raised rapidly to the full value. The working voltage
shall be given in the manufacturer’s documentation.
Table 1 – Requirements for the electric strength
Test voltage
Working voltage U
V
Up to and including 42 V 500
Above 42 V up to and including 1 000 V 2U + 1 000

4.5.3 Compliance
No flashover or breakdown shall occur during the test.
Glow discharges without a drop in voltage are neglected.
4.6 Parts which can become accidentally live
4.6.1 Metal parts intended to be insulated
Metal parts, if any, intended to be insulated from live parts shall not be or become live.
4.6.2 Live parts that project from the lamp
With the exception of the electrical connection, no live part shall project from any part of the
lamp.
62532  IEC:2011 – 11 –
4.6.3 Methods to show compliance
Compliance is checked by a suitable measuring system, which may include visual inspection
where appropriate. It shall be safeguarded that during assembly damage to insulation cannot
occur.
4.7 Resistance to heat and fire
The lamp shall be sufficiently resistant to heat.
Compliance is checked by the test in Annex E.
4.8 Creepage distances and clearances for lamps
The same requirements apply as in section 11 of IEC 60598-1.
4.9 Temperature rise of the measuring points
The values and measurement methods of the maximum temperature rises of the measuring
points are given in Annex F.
4.10 Endurance
Under consideration.
4.11 UV radiation
The specific effective radiant UV power emitted by the lamp shall not exceed the value of
2 mW/klm. For reflector lamps, it shall not exceed the value of 2 mW/(m klx).
NOTE 1 In IEC 62471, exposure limits are given as effective irradiance values (unit:W/m ) and for risk group
classification, the values for general lighting lamps are reported at an illuminance level of 500 lx. The borderline for
risk group exempt is 0,001 W/m at an illuminance level of 500 lx. This means the specific value, related to the
2 2 2
illuminance, is 0,001 divided by 500 in W/(m lx), which is 2 mW/(m klx). Since lx = lm/m this equals 2 mW/klm
specific UV power.
NOTE 2 Compliance is checked by spectroradiometric measurement, under the same conditions as for the lamp’s
electrical and photometric characteristics as given in IEC 60901 or in Annex B of the forthcoming performance
standard for induction lamps.
4.12 Information for luminaire design
The luminaire manufacturer should observe the maximum temperature(s) specified in
Annex B.
4.13 Information for ballast design
The ballast manufacturer should observe the requirements in Annex D.
5 Assessment
Under consideration.
– 12 – 62532  IEC:2011
Annex A
(informative)
Schematic drawings of induction lamps

To clarify the construction of an internally and an externally coupled induction lamp,
schematic drawings are given in Figures A.1 to A.3.

Figure A.1 – Schematic drawing of an internal coupled induction lamp
(operating frequency 2 500 kHz to 3 000 kHz)

62532  IEC:2011 – 13 –
A
B
A  discharge vessel B  inductive power coupler
IEC  234/11
Figure A.2 – Schematic drawing of an internal coupled induction lamp
(operating frequency 120 kHz to 145 kHz)

– 14 – 62532  IEC:2011
Power coupler
Mounting bracket
Connector
Discharge vessel
Power coupler
IEC  235/11
Figure A.3 – Schematic drawing of an external coupled induction lamp
(operating frequency 225 kHz to 275 kHz)

62532  IEC:2011 – 15 –
Annex B
(informative)
Information for luminaire design

To ensure safe lamp operation, it is essential to observe the following recommendations.
– Maximum temperature at the measurement point(s) under operating conditions
The luminaire designer should ensure that the temperature at the measurement point(s),
under operating conditions, should not exceed the maximum temperature value as given in
Table B.1.
Table B.1 – Maximum temperature at measurement point(s) under operating condition
Lamp type Frequency Maximum operating temperature at the
measurement point
kHz
Internally coupled induction lamp - 55 W 2 500 to 3 000 105 °C (see Annex F)
Internally coupled induction lamp - 85 W 2 500 to 3 000 105 °C (see Annex F)
Internally coupled induction lamp - 165 W 2 500 to 3 000 105 °C (see Annex F)
Internally coupled induction lamp - 30 W 120 to 145 95 °C (see Annex F)
Internally coupled induction lamp - 50 W 120 to 145 95 °C (see Annex F)
Internally coupled induction lamp - 150 W 120 to 145 95 °C (see Annex F)
Internally coupled induction lamp - 240 W 120 to 145 95 °C (see Annex F)
Externally coupled induction lamp - 70 W 225 to 275 150 °C/150 °C point 1 / 2  (see Annex F)
Externally coupled induction lamp - 100 W 225 to 275 150 °C/150 °C point 1 / 2  (see Annex F)
Externally coupled induction lamp - 150 W 225 to 275 150 °C/150 °C point 1 / 2  (see Annex F)

– Specific effective radiant UV power
The specific effective radiant UV power of the lamp should not exceed 2 mW/klm.
NOTE The effective power of the UV radiation is obtained by weighting the spectral power distribution of ht
lamp with the UV hazard function S (λ). Information about the relevant UV hazard function is given in
uv
IEC 62471. It only relates to possible hazards regarding UV exposure of human being. It does not deal with the
possible influence of optical radiation on materials, like mechanical damage or discoloration.

– 16 – 62532  IEC:2011
Annex C
(normative)
Schematic drawings for insulation resistance test

This annex gives schematic drawings of the test set-up for measuring the insulation
resistance as described in Subclause 4.4.

Cu-foil
IEC  236/11
Figure C.1 – Test set up for measurement insulation resistance
of internal coupled induction lamp
Electrical connection between Cu-foil
and mounting bracket
Copper foil
IEC  237/11
Figure C.2 – Test set up for measurement of insulation resistance external
coupled induction lamp
62532  IEC:2011 – 17 –
Annex D
(informative)
Information for ballast design

To ensure safe lamp operation, it is essential to observe the following recommendations.
– Time limitation for high voltages
Under no condition the working voltage should exceed the values given in Table D.1 for a
period longer than 2 s.
– Working voltage
The working voltage of the ballast should not exceed the maximum allowable voltages
between any lamp terminals and any lamp terminal and ground as given in Table D.1.
Table D.1 – Maximum operating voltage of induction lamps
between lamp terminals and between lamp terminals and ground
Lamp type Frequency Maximum operating voltage
between any lamp terminals and
kHz
between any lamp terminal and
ground
V
rms
Internally coupled induction lamp - 55 W 2 500 to 3 000 300
Internally coupled induction lamp - 85 W 2 500 to 3 000 300
Internally coupled induction lamp - 165 W 2 500 to 3 000 350
Internally coupled induction lamp - 30 W 120 to 145 300
Internally coupled induction lamp - 50 W 120 to 145 350
Internally coupled induction lamp - 150 W 120 to 145 450
Internally coupled induction lamp - 240 W 120 to 145 350
Externally coupled induction lamp - 70 W 225 to 275 300
Externally coupled induction lamp - 100 W 225 to 275 300
Externally coupled induction lamp - 150 W 225 to 275 300

If the voltage is not given in Table D.1, a reference should be made in the manufacturer’s
documentation.
– Maximum voltage between the lamp terminals
The peak voltage between the lamp terminals should under no circumstances exceed the
values in the Table D.2.
NOTE It should be noted that the cables and wires between lamp connector and discharge vessel are part of
the lamp.
– 18 – 62532  IEC:2011
Table D.2 – Maximum voltage between lamp terminals
Lamp type Frequency Maximum peak voltage between lamp
terminals*
kHz
V
peak
Internally coupled induction lamp - 55 W 2 500 to 3 000 1 500
Internally coupled induction lamp - 85 W 2 500 to 3 000 1 500
Internally coupled induction lamp - 165 W 2 500 to 3 000 1 500
Internally coupled induction lamp - 30 W 120 to 145 2 500
Internally coupled induction lamp - 50 W 120 to 145 2 500
Internally coupled induction lamp - 150 W 120 to 145 2 500
Internally coupled induction lamp - 240 W 120 to 145 2 500
Externally coupled induction lamp - 70 W 225 to 275 2 000
Externally coupled induction lamp - 100 W 225 to 275 2 000
Externally coupled induction lamp - 150 W 225 to 275 2 000
* Not to be measured against ground.

62532  IEC:2011 – 19 –
Annex E
(normative)
Information for thermal test
E.1 Check for the system
Samples shall be tested for a period of 168 h in a heating cabinet with a temperature of
Table E.1.
Table E.1 – Heating test temperature levels
Lamp type Frequency Temperature of the heating cabinet
kHz °C
Internally coupled induction lamp - 55 W 2 500 to 3 000 105 °C
Internally coupled induction lamp - 85 W 2 500 to 3 000 105 °C
Internally coupled induction lamp - 165 W 2 500 to 3 000 105 °C
Internally coupled induction lamp - 30 W 120 to 145 95 °C
Internally coupled induction lamp - 50 W 120 to 145 95 °C
Internally coupled induction lamp - 150 W 120 to 145 95 °C
Internally coupled induction lamp - 240 W 120 to 145 95 °C
Externally coupled induction lamp - 70 W 225 to 275 150 °C*
Externally coupled induction lamp - 100 W 225 to 275 150 °C*
Externally coupled induction lamp - 150 W 225 to 275 150 °C*
* During the test, the connector should stay outside the heating cabinet.

Compliance is checked at the end of the test. The samples shall not have undergone any
change impairing their future safety, especially in the following respects:
– reduction in the protection against electric shock as required for:
• insulation resistance (4.4);
• electric strength. (4.5);
– loosening of mechanical and electrical interface, cracks, swelling and shrinking as
determined by visual inspection.
At the end of the test, the dimensions shall comply with the requirements for mechanical and
electrical connections. (4.3).
E.2 Check for the plastic parts of the lamp
Insulating material of lamps shall be resistant to abnormal heat and to fire.
Compliance is checked by the following test.
Parts are subjected to a test using a nickel-chromium glow-wire heated to 650 °C. The test
apparatus shall be that described in IEC 60695-2-10.
The method of test shall be according IEC 60695-2-11.

– 20 – 62532  IEC:2011
The sample to be tested shall be mounted vertically on the carriage and pressed against the
glow wire tip with a force of 1 N, preferably 15 mm or more from the upper edge of the
sample. The penetration of the glow-wire into the sample shall be mechanically limited to
7 mm. After 30 s, the sample shall be withdrawn from contact with the glow-wire tip.
Any flame or glowing of the sample shall extinguish within 30 s of withdrawing the glow-wire
and any burning or molten drops shall not ignite a piece of tissue paper consisting of five
layers, spread out horizontally 200 mm ± 5 mm below the sample.
The glow-wire temperature and heating current shall be constant for 1 min prior to
commencing the test. Care shall be taken to ensure that heat radiation does not influence the
sample during this period. The glow-wire tip temperature shall be measured by means of a
sheathed fine-wire thermocouple constructed and calibrated as described in IEC 60695-2-10.
NOTE Precautions should be taken to safeguard the health of personnel conducting tests against risks of
– explosion or fire;
– inhalation of smoke and/or toxic products;
– toxic residues.
62532  IEC:2011 – 21 –
Annex F
(normative)
Values and method of measurement of the maximum temperature rise
of the measurement points
F.1 Test method
This test method describes how to establish the equilibrium temperature of the temperature
measurement points.
The test shall be carried out in draft free air at a temperature of 25 °± 2 °C which shall not
vary by more than 1 °C during the test.
The measuring accuracy should be ±1 °C.
The thermocouples to be used are described in IEC 60360 Clause 7.
The minimum operating time for each lamp before measurement shall be 120 min. The
equilibrium temperature has been reached when the temperature at the measuring point
doesn’t change by more than 1 °C/h over a period of at least 15 min.
The test is conducted operating the lamp with a reference ballast.
F.2 Values of maximum allowed temperature rise of the measurement points
F.2.1 Maximum temperature rise of the lamp temperature test points
Table F.1 gives the maximum temperature rise of the lamp temperature test points.
Table F.1 – Maximum temperature rise of the lamp temperature test points
Lamp type Frequency Lamp power to test Maximum allowed Maximum allowed
temperature rise of temperature rise temperature rise
KHz
the mechanical
Point 1 Point 2
interface
°C °C
W
Internally coupled
2 500 to 3 000 50 ± 4 % 80 NA
induction lamp - 55 W
Internally coupled
2 500 to 3 000 80 ± 4 % 80 NA
induction lamp - 85 W
Internally coupled
2 500 to 3 000 150 ± 4 % 80 NA
induction lamp - 165 W
Internally coupled
120 to 145 30 ± 4 % 85 NA
induction lamp - 30 W
Internally coupled
120 to 145 50 ± 4 % 85 NA
induction lamp - 50 W
Internally coupled
120 to 145 85 NA
150 ± 4 %
induction lamp - 150 W
Internally coupled
120 to 145 85 NA
240 ± 4 %
induction lamp - 240 W
Externally coupled
225 to 275 75 ± 4 % 95 85
induction lamp - 70 W
Externally coupled
225 to 275 100 ± 4 % 95 85
induction lamp - 100 W
– 22 – 62532  IEC:2011
Lamp type Frequency Lamp power to test Maximum allowed Maximum allowed
temperature rise of temperature rise temperature rise
KHz
the mechanical
Point 1 Point 2
interface
°C °C
W
Externally coupled
225 to 275 150 ± 4 % 95 85
induction lamp - 150 W
NA: Not applicable.
F.2.2 Test condition to measure temperature on the temperature test point of an
internal coupled lamp
Figure F.1 shows the temperature test point of an internal coupled induction lamp
(operating frequency 2 500 kHz to 3 000 kHz); Figure F.2 shows the temperature test point of
an internal coupled induction lamp (operating frequency 120 kHz to 145 kHz).

Test point
IEC  238/11
Figure F.1 – Temperature test point of internal coupled induction lamp
(operating frequency 2 500 kHz to 3 000 kHz)

62532  IEC:2011 – 23 –
X
Test point
IEC  239/11
Figure F.2 – Temperature test point of internal coupled induction lamp
(operating frequency 120 kHz to 145 kHz)
The internal coupled lamp is tested base down with anodized aluminium heat sinks.
Dimensions of the heat sink are given in Table F.2.
Table F.2 – Dimensions of the heat sink of internally coupled induction lamps
Lamp type Frequency Heat sink dimensions
KHz mm*mm*mm
Internally coupled induction lamp - 55 W 2 500 to 3 000 85*85*2
Internally coupled induction lamp - 85 W 2 500 to 3 000 150*150*2
Internally coupled induction lamp - 165 W 2 500 to 3 000 140*140*2
Internally coupled induction lamp - 30 W 120 to 145 117*117*2
Internally coupled induction lamp - 50 W 120 to 145 140*140*2
Internally coupled induction lamp - 150 W 120 to 145 300*150*3
Internally coupled induction lamp - 240 W 120 to 145 420*210*3

– 24 – 62532  IEC:2011
F.2.3 Test condition to measure temperature on the temperature test point of an
external coupled lamp (operating frequency 225 kHz to 275 kHz)

Tape
Measurement point 1
Cable
x
Centre plane of the lamp
Measurement point 2
Centre of
x
the core
Centre plane of
the core ring
IEC  240/11
Figure F.3 – Temperature test points of external coupled induction lamp
(operating frequency 225 kHz to 275 kHz)
Figure F.3 shows the temperature test points of an external coupled induction lamp
(operating frequency 225 kHz to 275 kHz).
During the test, there is a no heat sink to the lamp allowed.

62532  IEC:2011 – 25 –
Bibliography
IEC 60112:2003, Method for the determination of the proof and the comparative tracking
indices of solid insulating materials
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems – Part 1:
Principles, requirements and tests
IEC 61199:1999, Single-capped fluorescent lamps – Safety specifications
IEC 62471:2006, Photobiological safety of lamps and lamp systems

___________
– 26 – 62532  CEI:2011
SOMMAIRE
AVANT-PROPOS . 28
1 Domaine d’application . 30
2 Références normatives . 30
3 Termes et définitions .
...