IEC 61347-1:2015
(Main)Lamp controlgear - Part 1: General and safety requirements
Lamp controlgear - Part 1: General and safety requirements
IEC 61347-1:2015 specifies general and safety requirements for lamp controlgear for use on d.c. supplies up to 250 V and/or a.c. supplies up to 1 000 V at 50 Hz or 60 Hz. This third edition cancels and replaces the second edition published in 2007, Amendment 1:2010 and Amendment 2:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) additional marking requirements;
b) additional requirements for creepage distances and clearances:
- for working voltages with operating frequencies up to 30 kHz;
- for working voltages with higher operating frequencies than 30 kHz;
- for impulse and resonance voltages ignition;
- for basic, supplementary and reinforced insulation;
- for insulation between circuits;
- for coated or potted controlgear;
c) modification of definition of ELV and FELV;
d) modification of schematic drawing, showing the different controlgear classification and insulation requirements;
e) scope extension;
f) new Annex A: test to establish whether a conductive part is a live part which may cause an electric shock;
g) new Annex M: creepage distances and clearances for controlgear where a higher degree of availability (impulse withstand category III) may be requested;
h) new Annex Q: example for Up calculation;
i) new Annex P: creepage distances and clearances and distance through isolation (DTI) for lamp controlgear which are protected against pollution by the use of coating or potting;
j) new Annex R: concept of creepage distances and clearances.
This publication is to be read in conjunction with theIEC 61347-2 series
Appareillages de lampes - Partie 1: Exigences générales et exigences de sécurité
IEC 61347-1:2015 spécifie les exigences générales et les exigences de sécurité pour les appareillages de lampes destinés à être utilisés sur des alimentations à courant continu jusqu'à 250 V et/ou sur des alimentations à courant alternatif jusqu'à 1 000 V à 50 Hz ou 60 Hz. Cette troisième édition annule et remplace la deuxième édition parue en 2007, l'Amendement 1:2010 et l'Amendement 2:2012. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) les exigences de marquage supplémentaires;
b) des exigences supplémentaires pour les lignes de fuite et écartements:
- pour des tensions de service avec des fréquences de fonctionnement jusqu'à 30 kHz;
- pour des tensions de service avec des fréquences de fonctionnement supérieures à 30 kHz;
- pour impulsion et la résonance des tensions d'allumage;
- pour l'isolation de base, supplémentaire et renforcée;
- pour l'isolation entre les circuits;
- pour l'appareillage enduit ou en pot;
c) modification de la définition d'ELV et de FELV;
d) la modification du schéma, montrant les différentes exigences en matière de classification et d'isolation appareillage;
e) extension de l'objet;
f) la nouvelle Annexe A: essai pour déterminer si une partie conductrice est une partie active qui peut provoquer un choc électrique;
g) la nouvelle Annexe M: les lignes de fuite et écartements pour l'appareillage où un plus haut degré de disponibilité (tenue aux chocs de catégorie III) peut être demandée;
h) la nouvelle Annexe Q: exemple de calcul Up;
i) la nouvelle Annexe P: les distances des lignes de fuite l'écartement et la distance à travers l'isolation (DTI) pour les appareillages de lampes qui sont protégés contre la pollution par l'utilisation d'un revêtement ou d'enrobage;
j) la nouvelle Annexe R: concept de lignes de fuite et écartements.
Cette publication doit être lue conjointement avec la série CEI 61347-2.
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IEC 61347-1 ®
Edition 3.0 2015-02
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Lamp controlgear –
Part 1: General and safety requirements
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 61347-1 ®
Edition 3.0 2015-02
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STANDARD
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Lamp controlgear –
Part 1: General and safety requirements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.140.99 ISBN 978-2-8322-2289-8
– 2 – IEC 61347-1:2015 RLV © IEC 2015
CONTENTS
FOREWORD. 9
INTRODUCTION . 12
1 Scope . 13
2 Normative references . 13
3 Terms and definitions . 15
4 General requirements . 23
5 General notes on tests . 24
6 Classification . 25
7 Marking . 25
7.1 Items to be marked . 25
7.2 Durability and legibility of marking . 27
8 Terminals . 28
9 Provisions for protective earthing Earthing . 28
9.1 Provisions for protective earthing (Symbol: IEC 60417-5019 (2006-08)). 28
9.2 Provisions for functional earthing (Symbol: IEC 60417-5018 (201 1-07)) . 28
9.3 Lamp controlgear with conductors for protective earthing by tracks on
printed circuit boards . 28
9.4 Earthing of built-in lamp controlgear . 29
9.5 Earthing via independent controlgear . 29
9.5.1 Earth connection to other equipment . 29
9.5.2 Earthing of the lamp compartments powered via the independent lamp
controlgear . 29
10 Protection against accidental contact with live parts . 30
11 Moisture resistance and insulation . 31
12 Electric strength . 32
13 Thermal endurance test for windings of ballasts . 33
14 Fault conditions . 36
15 Construction . 41
15.1 Wood, cotton, silk, paper and similar fibrous material . 41
15.2 Printed circuits . 41
15.3 Plugs and socket-outlets used in SELV or ELV circuits . 41
15.4 Insulation between circuits and accessible parts . 41
15.4.1 General . 41
15.4.2 SELV circuits . 42
15.4.3 FELV circuits . 42
15.4.4 Other circuits . 43
15.4.5 Insulation between circuits and accessible conductive parts . 43
16 Creepage distances and clearances . 45
16.1 General . 45
16.2 Creepage distances . 49
16.2.1 General . 49
16.2.2 Minimum creepage distances for working voltages . 50
16.2.3 Creepage distances for working voltages with frequencies above
30 kHz . 50
16.2.4 Compliance with the required creepage distances . 51
16.3 Clearances . 52
16.3.1 General . 52
16.3.2 Clearances for working voltages . 53
16.3.3 Clearances for ignition voltages and working voltages with higher
frequencies . 54
16.3.4 Compliance with the required clearances . 56
17 Screws, current-carrying parts and connections . 57
18 Resistance to heat, fire and tracking . 57
19 Resistance to corrosion . 58
20 No-load output voltage . 58
Annex A (normative) Test to establish whether a conductive part is a live part which
may cause an electric shock . 59
A.1 General test requirements . 59
A.2 Limits for measured voltages . 59
A.3 Limits for touch current . 60
Annex B (normative) Particular requirements for thermally protected lamp
controlgear . . 61
B.1 Introductory remark . 61
B.2 General . 61
B.3 Terms and definitions . 61
B.4 General requirements for thermally protected lamp controlgear . 62
B.5 General notes on tests . 62
B.6 Classification . 62
B.6.1 General . 62
B.6.2 According to the class of protection . 62
B.6.3 According to the type of protection . 63
B.7 Marking . 63
B.8 Thermal endurance of windings . 63
B.9 Lamp controlgear heating . 63
B.9.1 Preselection test . 63
B.9.2 "Class P" thermally protected lamp controlgear . 64
B.9.3 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-8, with a rated maximum case temperature of 130 °C or
lower . 65
B.9.4 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-8 with a rated maximum case temperature exceeding
130 °C . 66
B.9.5 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-9 . 67
Annex C (normative) Particular requirements for electronic lamp controlgear with
means of protection against overheating . 70
C.1 General . 70
C.2 Terms and definitions . 70
C.3 General requirements for electronic lamp controlgear with means of
protection against overheating . 70
C.4 General notes on tests . 71
C.5 Classification . 71
C.6 Marking . 71
C.7 Limitation of heating . 71
C.7.1 Pre-selection test . 71
– 4 – IEC 61347-1:2015 RLV © IEC 2015
C.7.2 Functioning of the protection means . 71
Annex D (normative) Requirements for carrying out the heating tests of thermally
protected lamp controlgear . 73
D.1 Test enclosure . 73
D.2 Heating of enclosure . 73
D.3 Lamp controlgear operating conditions . 73
D.4 Lamp controlgear position in the enclosure . 73
D.5 Temperature measurements . 74
Annex E (normative) Use of constant S other than 4 500 in t tests . 76
w
E.1 General . 76
E.2 Procedure A . 76
E.3 Procedure B . 76
Annex F (normative) Draught-proof enclosure . 79
Annex G (normative) Explanation of the derivation of the values of pulse voltages . 80
G.1 Pulse voltage rise time T . 80
G.2 Long-duration pulse voltages . 80
G.3 Short-duration pulse voltages . 80
G.4 Measurement of short-duration pulse energy . 80
Annex H (normative) Tests . 86
H.1 Ambient temperature and test room . 86
H.2 Supply voltage and frequency . 86
H.2.1 Test voltage and frequency . 86
H.2.2 Stability of supply and frequency . 86
H.2.3 Supply voltage waveform for reference ballast only . 86
H.3 Electrical characteristics of lamps . 87
H.4 Magnetic effects . 87
H.5 Mounting and connection of reference lamps . 87
H.6 Reference lamp stability . 87
H.7 Instrument char ac teris tics. 87
H.7.1 Potential circuits . 87
H.7.2 Current circuits . 87
H.7.3 RMS measurements . 88
H.8 Invertor power sources . 88
H.9 Reference ballast . 88
H.10 Reference lamps . 88
H.11 Test conditions . 88
H.11.1 Resistance measurement delays . 88
H.11.2 Electrical resistance of contacts and leads. 88
H.12 Lamp controlgear heating . 88
H.12.1 Built-in lamp controlgear . 88
H.12.2 Independent lamp controlgear . 89
H.12.3 Integral lamp controlgear . 89
H.12.4 Test conditions . 90
Annex I (normative) Additional requirements for built-in magnetic ballasts with double
or reinforced insulation . . 91
I.1 General . 91
I.2 Terms and definitions . 91
I.3 General requirements . 91
I.4 General notes on tests . 92
I.5 Classification . 92
I.6 Marking . 92
I.7 Protection against accidental contact with live parts . 92
I.8 Terminals . 92
I.9 Provision for earthing . 92
I.10 Moisture resistance and insulation . 92
I.11 High-voltage impulse test . 92
I.12 Thermal endurance test for windings of ballasts . 93
I.13 Ballast heating . 93
I.14 Screws, current-carrying parts and connections . 93
I.15 Creepage distances and clearances . 93
I.16 Resistance to heat and fire . 93
I.17 Resistance to corrosion . 93
Annex J (normative) Schedule of more onerous requirements . 94
Annex K (informative) Conformity testing during manufacture . 95
K.1 General . 95
K.2 Testing . 95
K.3 Additional dielectric strength tests for controlgear with protection against
pollution by the use of coating or potting material . 97
Annex L (normative) Particular additional requirements for controlgears providing
SELV . . 98
L.1 General . 98
L.2 Terms and definitions . 98
L.3 Classification . 99
L.4 Marking . 99
L.5 Protection against electric shock . 100
L.6 Heating . 100
L.7 Short-circuit and overload protection . 101
L.8 Insulation resistance and electric strength . 102
L.8.1 General . 102
L.8.2 Insulation resistance . 102
L.8.3 Electric strength . 102
L.9 Construction . 103
L.10 Components. 103
L.11 Creepage distances, clearances and distances through insulation . 104
Annex M (informative) Dielectric strength test voltages for controlgear intended for
the use in impulse withstand Category III . 105
Annex N (normative) Requirements for insulation materials used for double or
reinforced insulation . 106
N.1 General . 106
N.2 Reference document . 106
N.3 Terms and definitions . 106
N.4 General requir ement s . 106
N.4.1 Material requirements . 106
N.4.2 Solid insulation . 106
N.4.3 Thin sheet insulation . 106
Annex O (normative) Additional requirements for built-in electronic controlgear with
double or reinforced insulation . 110
O.1 General . 110
– 6 – IEC 61347-1:2015 RLV © IEC 2015
O.2 Terms and definitions . 110
O.3 General requir ement s . 110
O.4 General notes on tests . 110
O.5 Classification . 111
O.6 Marking . 111
O.7 Protection against accidental contact with live parts . 111
O.8 Terminals . 111
O.9 Provision for earthing . 111
O.10 Moisture resistance and insulation . 111
O.11 Electric strength . 111
O.12 Thermal endurance of windings . 111
O.13 Fault conditions . 111
O.14 Construction . 112
O.15 Creepage distances and clearances . 112
O.16 Screws, current-carrying parts and connections . 112
O.17 Resistance to heat and fire . 112
O.18 Resistance to corrosion . 112
Annex P (normative) Creepage distances and clearances and distance through
isolation (DTI) for lamp controlgear which are protected against pollution by the use of
coating or potting . 113
P.1 General . 113
P.2 Creepage distances . 113
P.2.1 General . 113
P.2.2 Minimum creepage distances for working voltages and rated voltage
with frequencies up to 30 kHz . 113
P.2.3 Creepage distances for working voltages with frequencies above
30 kHz . 113
P.2.4 Compliance with the required creepage distances . 114
P.3 Distance through isolation . 116
P.3.1 General . 116
P.3.2 Compliance tests . 116
P.3.3 Preconditioning of the lamp controlgear . 116
P.3.4 Electrical tests after conditioning . 117
Annex Q (informative) Example for U calculation . 119
p
Annex R (informative) Concept of creepage distances and clearances . 120
R.1 Basic concept considerations . 120
R.1.1 Creepage distances . 120
R.1.2 Clearances . 120
R.2 Why setting up tables? . 121
Annex S (informative) Examples of controlgear insulation coordination . 122
Annex T (informative) Creepage distances and clearances for controlgear with a
higher degree of availability (impulse withstand category III) . 123
T.1 General . 123
T.2 Clearances for working voltages of lamp controlgear not protected against
pollution by coating or potting materials . 123
T.3 Clearances for working voltages of lamp controlgear protected against
pollution by coating or potting . 124
T.4 Distances through insulation – Particular additional requirements for
controlgear providing SELV . 124
Bibliography . 126
Figure 1 – Relation between winding temperature and endurance test duration . 34
Figure 2 – Creepage distances between conductors on printed boards not conductively
connected to the supply mains .
Figure 2 – Test circuit for controlgear . 40
Figure 3 – Example of a controlgear insulation related to Table 6 . 44
Figure 4 – Application of Table 7 and Table 8 . 49
Figure 5 – Application of Table 9, Table 10 and Table 11 . 52
Figure 6 – Application of Table 10 and Table 11 . 53
Figure B.1 – Test circuit for thermally protected lamp controlgear . 67
Figure D.1 – Example of heating enclosure for thermally protected ballasts . 75
Figure E.1 – Assessment of claimed value of S . 78
Figure G.1 – Circuit for measuring short-duration pulse energy . 83
Figure G.2 – Suitable circuit for producing and applying long-duration pulses . 85
Figure H.1 – Test arrangement for heating test . 90
Figure N.1 –Test arrangement for checking mechanical withstanding of insulating
materials in thin sheet layers . 109
Figure Q.1 – Example for the calculation of U . 119
p
Figure S.1 – Example of schematic drawings, showing the different controlgear
insulation coordination . 122
Table 1 – Required rated impulse withstand voltage of equipment . 22
Table 2 – Working voltage and U s t eps . 27
out
Table 3 – Minimum distances for a.c. (50/60 Hz) sinusoidal voltages .
Table 4 – Minimum distances for non-sinusoidal pulse voltages .
Table 3 – Electric strength test voltage . 32
Table 4 – Theoretical test temperatures for ballasts subjected to an endurance test
duration of 30 days . 35
Table 5 – Minimum creepage distance on printed circuit board . 39
Table 6 – Insulation requirements between active parts and accessible conductive
parts . 45
Table 7 – Minimum creepage distances for working voltage . 50
Table 8 – Minimum value of creepage distances for sinusoidal or non-sinusoidal
working voltages at different frequency ranges; basic or supplementary insulation . 51
Table 9 – Minimum clearances for working voltages . 53
Table 10 – Minimum distances of clearances for sinusoidal or non-sinusoidal voltages;
inhomogeneous field conditions; basic or supplementary insulation . 55
Table 11 – Minimum distances of clearances for sinusoidal or non-sinusoidal voltages;
inhomogeneous field conditions; reinforced insulation . 56
Table B.1 – Thermal protection operation . 65
Table B.2 – Thermal protection operation . 66
Table G.1 – Component values for measurement of pulse energy . 84
Table K.1 – Minimum values for electrical tests . 96
Table L.1 – Symbols for marking if marking is used . 100
Table L.2 – Values of temperatures in normal use . 101
Table L.3 – Values of insulation resistances . 102
– 8 – IEC 61347-1:2015 RLV © IEC 2015
Table L.4 – Table of dielectric strength test voltages for controlgears intended for use
in impulse withstand Category II . 103
Table L.5 – Distances through insulation (DTI) for the impulse withstand category II /
material group IIIa (175 CTI 400) . 104
Table M.1 – Table of dielectric strength test voltages for controlgears intended for use
in impulse withstand Category III . 105
Table N.1 – Electric strength test voltage required during the mandrel test . 108
Table P.1 – Minimum creepage distances for working voltages and rated voltages with
frequencies up to 30 kHz . 113
Table P.2 – Minimum value of creepage distances for sinusoidal or non-sinusoidal
working voltages at different frequency ranges; basic or supplementary insulation . 114
Table P.3 – Impulse withstand test voltage for products of impulse withstand
category II . 117
Table T.1 – Minimum clearances for working voltages – Impulse withstand category III . 123
Table T.2 – Impulse withstand test voltages of impulse withstand category III for lamp
controlgear protected against pollution by coating or potting material . 124
Table T.3 – Distances through insulation (DTI) for the impulse withstand category
III/material group IIIa (175 CTI 400) . 125
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LAMP CONTROLGEAR –
Part 1: General and safety requirements
FOREWORD
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– 10 – IEC 61347-1:2015 RLV © IEC 2015
International Standard IEC 61347-1 has been prepared by subcommittee 34C: Auxiliaries for
lamps, of IEC technical committee 34: Lamps and related equipment.
This third edition cancels and replaces the second edition published in 2007,
Amendment 1:2010 and Amendment 2:2012. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) additional marking requirements;
b) additional requirements for creepage distances and clearances:
for working voltages with operating frequencies up to 30 kHz;
for working voltages with higher operating frequencies than 30 kHz;
for impulse and resonance voltages ignition;
for basic, supplementary and reinforced insulation;
for insulation between circuits;
for coated or potted controlgear;
c) modification of definition of ELV and FELV;
d) modification of schematic drawing, showing the different controlgear classification and
insulation requirements;
e) scope extension;
f) new Annex A: test to establish whether a conductive part is a live part which may cause
an electric shock;
g) new Annex M: creepage distances and clearances for controlgear where a higher degree
of availability (impulse withstand category III) may be requested;
h) new Annex Q: example for U calculation;
p
i) new Annex P: creepage distances and clearances and distance through isolation (DTI) for
lamp controlgear which are protected against pollution by the use of coating or potting;
j) new Annex R: concept of creepage distances and clearances.
The text of this standard is based on the following documents:
FDIS Report on voting
34C/1118/FDIS 34C/1135/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
...
IEC 61347-1 ®
Edition 3.1 2017-09
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Lamp controlgear –
Part 1: General and safety requirements
Appareillages de lampes –
Partie 1: Exigences générales et exigences de sécurité
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About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.
IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
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Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
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variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
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and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and
CISPR.
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IEC 61347-1 ®
Edition 3.1 2017-09
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Lamp controlgear –
Part 1: General and safety requirements
Appareillages de lampes –
Partie 1: Exigences générales et exigences de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.99 ISBN 978-2-8322-4852-2
IEC 61347-1 ®
Edition 3.1 2017-09
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
Lamp controlgear –
Part 1: General and safety requirements
Appareillages de lampes –
Partie 1: Exigences générales et exigences de sécurité
– 2 – IEC 61347-1:2015+AMD1:2017 CSV
© IEC 2017
CONTENTS
FOREWORD . 9
INTRODUCTION . 12
1 Scope . 13
2 Normative references . 13
3 Terms and definitions . 15
4 General requirements . 23
5 General notes on tests . 24
6 Classification . 25
7 Marking . 25
7.1 Items to be marked . 25
7.2 Durability and legibility of marking. 28
8 Terminals . 28
8.1 Integral terminals . 28
8.2 Terminals other than integral terminals . 28
9 Earthing . 29
9.1 Provisions for protective earthing (Symbol: IEC 60417-5019 (2006-08)) . 29
9.2 Provisions for functional earthing (Symbol: IEC 60417-5018 (2011-07)) . 29
9.3 Lamp controlgear with conductors for protective earthing by tracks on
printed circuit boards . 29
9.4 Earthing of built-in lamp controlgear. 29
9.5 Earthing via independent controlgear . 29
9.5.1 Earth connection to other equipment . 29
9.5.2 Earthing of the lamp compartments powered via the independent lamp
controlgear . 30
10 Protection against accidental contact with live parts . 30
11 Moisture resistance and insulation . 32
12 Electric strength . 32
13 Thermal endurance test for windings of ballasts . 33
14 Fault conditions . 37
15 Construction . 41
15.1 Wood, cotton, silk, paper and similar fibrous material . 41
15.2 Printed circuits . 41
15.3 Plugs and socket-outlets used in SELV or ELV circuits . 42
15.4 Insulation between circuits and accessible parts . 42
15.4.1 General . 42
15.4.2 SELV circuits . 42
15.4.3 FELV circuits . 43
15.4.4 Other circuits . 44
15.4.5 Insulation between circuits and accessible conductive parts . 44
16 Creepage distances and clearances . 45
16.1 General . 45
16.2 Creepage distances . 47
16.2.1 General . 47
16.2.2 Minimum creepage distances for working voltages . 49
© IEC 2017
16.2.3 Creepage distances for working voltages with frequencies above
30 kHz . 50
16.2.4 Compliance with the required creepage distances . 51
16.3 Clearances . 52
16.3.1 General . 52
16.3.2 Clearances for working voltages . 53
16.3.3 Clearances for ignition voltages and working voltages with higher
frequencies . 54
16.3.4 Compliance with the required clearances . 56
17 Screws, current-carrying parts and connections . 57
18 Resistance to heat, fire and tracking . 57
19 Resistance to corrosion . 58
20 No-load output voltage . 58
Annex A (normative) Test to establish whether a conductive part is a live part which
may cause an electric shock . 59
A.1 General test requirements . 59
A.2 Limits for measured voltages . 59
A.3 Limits for touch current . 59
Annex B (normative) Particular requirements for thermally protected lamp
controlgear . 60
B.1 Introductory remark . 60
B.2 General . 60
B.3 Terms and definitions. 60
B.4 General requirements for thermally protected lamp controlgear. 61
B.5 General notes on tests . 61
B.6 Classification . 61
B.6.1 General . 61
B.6.2 According to the class of protection . 61
B.6.3 According to the type of protection . 61
B.7 Marking . 62
B.8 Thermal endurance of windings . 62
B.9 Lamp controlgear heating . 62
B.9.1 Preselection test . 62
B.9.2 "Class P" thermally protected lamp controlgear . 63
B.9.3 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-8, with a rated maximum case temperature of 130 °C or
lower . 64
B.9.4 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-8 with a rated maximum case temperature exceeding
130 °C . 65
B.9.5 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-9 . 66
Annex C (normative) Particular requirements for electronic lamp controlgear with
means of protection against overheating . 68
C.1 General . 68
C.2 Terms and definitions. 68
C.3 General requirements for electronic lamp controlgear with means of
protection against overheating . 68
C.4 General notes on tests . 69
C.5 Classification . 69
– 4 – IEC 61347-1:2015+AMD1:2017 CSV
© IEC 2017
C.6 Marking . 69
C.7 Limitation of heating . 69
C.7.1 Pre-selection test. 69
C.7.2 Functioning of the protection means . 69
Annex D (normative) Requirements for carrying out the heating tests of thermally
protected lamp controlgear . 71
D.1 Test enclosure . 71
D.2 Heating of enclosure . 71
D.3 Lamp controlgear operating conditions . 71
D.4 Lamp controlgear position in the enclosure . 71
D.5 Temperature measurements . 72
Annex E (normative) Use of constant S other than 4 500 in t tests. 73
w
E.1 General . 73
E.2 Procedure A . 73
E.3 Procedure B . 73
Annex F (normative) Draught-proof enclosure . 76
Annex G (normative) Explanation of the derivation of the values of pulse voltages . 77
G.1 Pulse voltage rise time T . 77
G.2 Long-duration pulse voltages . 77
G.3 Short-duration pulse voltages . 77
G.4 Measurement of short-duration pulse energy . 77
Annex H (normative) Tests . 83
H.1 Ambient temperature and test room . 83
H.2 Supply voltage and frequency . 83
H.2.1 Test voltage and frequency . 83
H.2.2 Stability of supply and frequency . 83
H.2.3 Supply voltage waveform for reference ballast only . 83
H.3 Electrical characteristics of lamps . 84
H.4 Magnetic effects . 84
H.5 Mounting and connection of reference lamps . 84
H.6 Reference lamp stability . 84
H.7 Instrument characteristics . 84
H.7.1 Potential circuits . 84
H.7.2 Current circuits . 84
H.7.3 RMS measurements . 85
H.8 Invertor power sources . 85
H.9 Reference ballast . 85
H.10 Reference lamps . 85
H.11 Test conditions . 85
H.11.1 Resistance measurement delays . 85
H.11.2 Electrical resistance of contacts and leads . 85
H.12 Lamp controlgear heating . 85
H.12.1 Built-in lamp controlgear . 85
H.12.2 Independent lamp controlgear . 86
H.12.3 Integral lamp controlgear . 86
H.12.4 Test conditions . 87
Annex I (normative) Additional requirements for built-in magnetic ballasts with double
or reinforced insulation . 88
I.1 General . 88
© IEC 2017
I.2 Terms and definitions. 88
I.3 General requirements . 88
I.4 General notes on tests . 89
I.5 Classification . 89
I.6 Marking . 89
I.7 Protection against accidental contact with live parts. 89
I.8 Terminals . 89
I.9 Provision for earthing . 89
I.10 Moisture resistance and insulation . 89
I.11 High-voltage impulse test . 89
I.12 Thermal endurance test for windings of ballasts . 90
I.13 Ballast heating . 90
I.14 Screws, current-carrying parts and connections . 90
I.15 Creepage distances and clearances. 90
I.16 Resistance to heat and fire . 90
I.17 Resistance to corrosion . 90
Annex J (normative) Schedule of more onerous requirements . 91
Annex K (informative) Conformity testing during manufacture . 92
K.1 General . 92
K.2 Testing . 92
K.3 Additional dielectric strength tests for controlgear with protection against
pollution by the use of coating or potting material . 94
Annex L (normative) Particular additional requirements for controlgears providing
SELV . 95
L.1 General . 95
L.2 Terms and definitions. 95
L.3 Classification . 96
L.4 Marking . 96
L.5 Protection against electric shock . 97
L.6 Heating . 97
L.7 Short-circuit and overload protection . 98
L.8 Insulation resistance and electric strength . 99
L.8.1 General . 99
L.8.2 Insulation resistance . 99
L.8.3 Electric strength . 99
L.9 Construction . 100
L.10 Components . 100
L.11 Creepage distances, clearances and distances through insulation . 101
Annex M (informative) Dielectric strength test voltages for controlgear intended for
the use in impulse withstand Category III . 102
Annex N (normative) Requirements for insulation materials used for double or
reinforced insulation . 103
N.1 General . 103
N.2 Reference document . 103
N.3 Terms and definitions. 103
N.4 General requirements . 103
N.4.1 Material requirements . 103
N.4.2 Solid insulation . 103
N.4.3 Thin sheet insulation. 103
– 6 – IEC 61347-1:2015+AMD1:2017 CSV
© IEC 2017
Annex O (normative) Additional requirements for built-in electronic controlgear with
double or reinforced insulation . 107
O.1 General . 107
O.2 Terms and definitions. 107
O.3 General requirements . 107
O.4 General notes on tests . 107
O.5 Classification . 108
O.6 Marking . 108
O.7 Protection against accidental contact with live parts. 108
O.8 Terminals . 108
O.9 Provision for earthing . 108
O.10 Moisture resistance and insulation . 108
O.11 Electric strength . 108
O.12 Thermal endurance of windings . 108
O.13 Fault conditions . 108
O.14 Construction . 109
O.15 Creepage distances and clearances. 109
O.16 Screws, current-carrying parts and connections . 109
O.17 Resistance to heat and fire . 109
O.18 Resistance to corrosion . 109
Annex P (normative) Creepage distances and clearances and distance through
isolation (DTI) for lamp controlgear which are protected against pollution by the use of
coating or potting . 110
P.1 General . 110
P.2 Creepage distances . 110
P.2.1 General . 110
P.2.2 Minimum creepage distances for working voltages and rated voltage
with frequencies up to 30 kHz . 110
P.2.3 Creepage distances for working voltages with frequencies above
30 kHz . 110
P.2.4 Compliance with the required creepage distances . 112
P.3 Distance through isolation . 113
P.3.1 General . 113
P.3.2 Compliance tests . 113
P.3.3 Preconditioning of the lamp controlgear . 113
P.3.4 Electrical tests after conditioning . 114
Annex Q (informative) Example for U calculation . 116
p
Annex R (informative) Concept of creepage distances and clearances . 117
R.1 Basic concept considerations . 117
R.1.1 Creepage distances . 117
R.1.2 Clearances . 117
R.2 Why setting up tables? . 118
Annex S (informative) Examples of controlgear insulation coordination . 119
Annex T (informative) Creepage distances and clearances for controlgear with a
higher degree of availability (impulse withstand category III) . 120
T.1 General . 120
T.2 Clearances for working voltages of lamp controlgear not protected against
pollution by coating or potting materials . 120
T.3 Clearances for working voltages of lamp controlgear protected against
pollution by coating or potting . 121
© IEC 2017
T.4 Distances through insulation – Particular additional requirements for
controlgear providing SELV . 121
Bibliography . 123
Figure 1 – Relation between winding temperature and endurance test duration . 35
Figure 2 – Test circuit for controlgear . 41
Figure 3 – Example of a controlgear insulation related to Table 6 . 44
Figure 4 – Application of Table 7 and Table 8 . 49
Figure 5 – Application of Table 9, Table 10 and Table 11 . 52
Figure 6 – Application of Table 10 and Table 11 . 53
Figure B.1 – Test circuit for thermally protected lamp controlgear . 66
Figure D.1 – Example of heating enclosure for thermally protected ballasts . 72
Figure E.1 – Assessment of claimed value of S . 75
Figure G.1 – Circuit for measuring short-duration pulse energy . 80
Figure G.2 – Suitable circuit for producing and applying long-duration pulses . 82
Figure H.1 – Test arrangement for heating test . 87
Figure N.1 –Test arrangement for checking mechanical withstanding of insulating
materials in thin sheet layers . 106
Figure Q.1 – Example for the calculation of U . 116
p
Figure S.1 – Example of schematic drawings, showing the different controlgear
insulation coordination . 119
Table 1 – Required rated impulse withstand voltage of equipment . 22
Table 2 – Working voltage and U steps . 27
out
Table 3 – Electric strength test voltage . 33
Table 4 – Theoretical test temperatures for ballasts subjected to an endurance test
duration of 30 days . 36
Table 5 – Minimum creepage distance on printed circuit board . 39
Table 6 – Insulation requirements between active parts and accessible conductive
parts . 45
Table 7 – Minimum creepage distances for working voltage . 50
Table 8 – Minimum value of creepage distances for sinusoidal or non-sinusoidal
working voltages at different frequency ranges; basic or supplementary insulation . 51
Table 9 – Minimum clearances for working voltages . 54
Table 10 – Minimum distances of clearances for sinusoidal or non-sinusoidal voltages;
inhomogeneous field conditions; basic or supplementary insulation . 55
Table 11 – Minimum distances of clearances for sinusoidal or non-sinusoidal voltages;
inhomogeneous field conditions; reinforced insulation . 56
Table B.1 – Thermal protection operation . 64
Table B.2 – Thermal protection operation . 65
Table G.1 – Component values for measurement of pulse energy . 80
Table K.1 – Minimum values for electrical tests . 93
Table L.1 – Symbols for marking if marking is used . 97
Table L.2 – Values of temperatures in normal use . 98
Table L.3 – Values of insulation resistances . 99
– 8 – IEC 61347-1:2015+AMD1:2017 CSV
© IEC 2017
Table L.4 – Table of dielectric strength test voltages for controlgears intended for use
in impulse withstand Category II . 100
Table L.5 – Distances through insulation (DTI) for the impulse withstand category II /
material group IIIa (175 CTI < 400) . 101
Table M.1 – Table of dielectric strength test voltages for controlgears intended for use
in impulse withstand Category III . 102
Table N.1 – Electric strength test voltage required during the mandrel test . 105
Table P.1 – Minimum creepage distances for working voltages and rated voltages with
frequencies up to 30 kHz . 110
Table P.2 – Minimum value of creepage distances for sinusoidal or non-sinusoidal
working voltages at different frequency ranges; basic or supplementary insulation . 111
Table P.3 – Impulse withstand test voltage for products of impulse withstand
category II . 114
Table T.1 – Minimum clearances for working voltages – Impulse withstand category III . 121
Table T.2 – Impulse withstand test voltages of impulse withstand category III for lamp
controlgear protected against pollution by coating or potting material . 121
Table T.3 – Distances through insulation (DTI) for the impulse withstand category
III/material group IIIa (175 CTI < 400) . 122
© IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LAMP CONTROLGEAR –
Part 1: General and safety requirements
FOREWORD
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...
IEC 61347-1 ®
Edition 3.0 2015-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Lamp controlgear –
Part 1: General and safety requirements
Appareillages de lampes –
Partie 1: Exigences générales et exigences de sécurité
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Le premier dictionnaire en ligne de termes électroniques et
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Spécifications techniques, Rapports techniques et autres
anglais et en français, ainsi que les termes équivalents dans
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IEC 61347-1 ®
Edition 3.0 2015-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Lamp controlgear –
Part 1: General and safety requirements
Appareillages de lampes –
Partie 1: Exigences générales et exigences de sécurité
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.99 ISBN 978-2-8322-2243-0
– 2 – IEC 61347-1:2015 © IEC 2015
CONTENTS
FOREWORD . 9
INTRODUCTION . 11
1 Scope . 12
2 Normative references . 12
3 Terms and definitions . 14
4 General requirements . 22
5 General notes on tests . 22
6 Classification . 23
7 Marking . 24
7.1 Items to be marked . 24
7.2 Durability and legibility of marking. 26
8 Terminals . 26
9 Earthing . 26
9.1 Provisions for protective earthing (Symbol: IEC 60417-5019 (2006-08)) . 26
9.2 Provisions for functional earthing (Symbol: IEC 60417-5018 (2011-07)) . 27
9.3 Lamp controlgear with conductors for protective earthing by tracks on
printed circuit boards . 27
9.4 Earthing of built-in lamp controlgear. 27
9.5 Earthing via independent controlgear . 27
9.5.1 Earth connection to other equipment . 27
9.5.2 Earthing of the lamp compartments powered via the independent lamp
controlgear . 28
10 Protection against accidental contact with live parts . 28
11 Moisture resistance and insulation . 29
12 Electric strength . 30
13 Thermal endurance test for windings of ballasts . 31
14 Fault conditions . 35
15 Construction . 39
15.1 Wood, cotton, silk, paper and similar fibrous material . 39
15.2 Printed circuits . 39
15.3 Plugs and socket-outlets used in SELV or ELV circuits . 39
15.4 Insulation between circuits and accessible parts . 39
15.4.1 General . 39
15.4.2 SELV circuits . 40
15.4.3 FELV circuits . 40
15.4.4 Other circuits . 41
15.4.5 Insulation between circuits and accessible conductive parts . 41
16 Creepage distances and clearances . 43
16.1 General . 43
16.2 Creepage distances . 45
16.2.1 General . 45
16.2.2 Minimum creepage distances for working voltages . 46
16.2.3 Creepage distances for working voltages with frequencies above
30 kHz . 46
16.2.4 Compliance with the required creepage distances . 47
16.3 Clearances . 48
16.3.1 General . 48
16.3.2 Clearances for working voltages . 49
16.3.3 Clearances for ignition voltages and working voltages with higher
frequencies . 50
16.3.4 Compliance with the required clearances . 52
17 Screws, current-carrying parts and connections . 53
18 Resistance to heat, fire and tracking . 53
19 Resistance to corrosion . 54
20 No-load output voltage . 54
Annex A (normative) Test to establish whether a conductive part is a live part which
may cause an electric shock . 55
A.1 General test requirements . 55
A.2 Limits for measured voltages . 55
A.3 Limits for touch current . 55
Annex B (normative) Particular requirements for thermally protected lamp
controlgear . 56
B.1 Introductory remark . 56
B.2 General . 56
B.3 Terms and definitions. 56
B.4 General requirements for thermally protected lamp controlgear. 57
B.5 General notes on tests . 57
B.6 Classification . 57
B.6.1 General . 57
B.6.2 According to the class of protection . 57
B.6.3 According to the type of protection . 57
B.7 Marking . 58
B.8 Thermal endurance of windings . 58
B.9 Lamp controlgear heating . 58
B.9.1 Preselection test . 58
B.9.2 "Class P" thermally protected lamp controlgear . 59
B.9.3 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-8, with a rated maximum case temperature of 130 °C or
lower . 60
B.9.4 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-8 with a rated maximum case temperature exceeding
130 °C . 61
B.9.5 Temperature declared thermally protected lamp controlgear as specified
in IEC 61347-2-9 . 62
Annex C (normative) Particular requirements for electronic lamp controlgear with
means of protection against overheating . 64
C.1 General . 64
C.2 Terms and definitions. 64
C.3 General requirements for electronic lamp controlgear with means of
protection against overheating . 64
C.4 General notes on tests . 65
C.5 Classification . 65
C.6 Marking . 65
C.7 Limitation of heating . 65
C.7.1 Pre-selection test. 65
– 4 – IEC 61347-1:2015 © IEC 2015
C.7.2 Functioning of the protection means . 65
Annex D (normative) Requirements for carrying out the heating tests of thermally
protected lamp controlgear . 67
D.1 Test enclosure . 67
D.2 Heating of enclosure . 67
D.3 Lamp controlgear operating conditions . 67
D.4 Lamp controlgear position in the enclosure . 67
D.5 Temperature measurements . 68
Annex E (normative) Use of constant S other than 4 500 in t tests. 69
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E.1 General . 69
E.2 Procedure A . 69
E.3 Procedure B . 69
Annex F (normative) Draught-proof enclosure . 72
Annex G (normative) Explanation of the derivation of the values of pulse voltages . 73
G.1 Pulse voltage rise time T . 73
G.2 Long-duration pulse voltages . 73
G.3 Short-duration pulse voltages . 73
G.4 Measurement of short-duration pulse energy . 73
Annex H (normative) Tests . 79
H.1 Ambient temperature and test room . 79
H.2 Supply voltage and frequency . 79
H.2.1 Test voltage and frequency . 79
H.2.2 Stability of supply and frequency . 79
H.2.3 Supply voltage waveform for reference ballast only . 79
H.3 Electrical characteristics of lamps . 80
H.4 Magnetic effects . 80
H.5 Mounting and connection of reference lamps . 80
H.6 Reference lamp stability . 80
H.7 Instrument characteristics . 80
H.7.1 Potential circuits . 80
H.7.2 Current circuits . 80
H.7.3 RMS measurements . 81
H.8 Invertor power sources . 81
H.9 Reference ballast . 81
H.10 Reference lamps . 81
H.11 Test conditions . 81
H.11.1 Resistance measurement delays . 81
H.11.2 Electrical resistance of contacts and leads . 81
H.12 Lamp controlgear heating . 81
H.12.1 Built-in lamp controlgear . 81
H.12.2 Independent lamp controlgear . 82
H.12.3 Integral lamp controlgear . 82
H.12.4 Test conditions . 83
Annex I (normative) Additional requirements for built-in magnetic ballasts with double
or reinforced insulation . 84
I.1 General . 84
I.2 Terms and definitions. 84
I.3 General requirements . 84
I.4 General notes on tests . 85
I.5 Classification . 85
I.6 Marking . 85
I.7 Protection against accidental contact with live parts. 85
I.8 Terminals . 85
I.9 Provision for earthing . 85
I.10 Moisture resistance and insulation . 85
I.11 High-voltage impulse test . 85
I.12 Thermal endurance test for windings of ballasts . 86
I.13 Ballast heating . 86
I.14 Screws, current-carrying parts and connections . 86
I.15 Creepage distances and clearances. 86
I.16 Resistance to heat and fire . 86
I.17 Resistance to corrosion . 86
Annex J (normative) Schedule of more onerous requirements . 87
Annex K (informative) Conformity testing during manufacture . 88
K.1 General . 88
K.2 Testing . 88
K.3 Additional dielectric strength tests for controlgear with protection against
pollution by the use of coating or potting material . 90
Annex L (normative) Particular additional requirements for controlgears providing
SELV . 91
L.1 General . 91
L.2 Terms and definitions. 91
L.3 Classification . 92
L.4 Marking . 92
L.5 Protection against electric shock . 93
L.6 Heating . 93
L.7 Short-circuit and overload protection . 94
L.8 Insulation resistance and electric strength . 95
L.8.1 General . 95
L.8.2 Insulation resistance . 95
L.8.3 Electric strength . 95
L.9 Construction . 96
L.10 Components . 96
L.11 Creepage distances, clearances and distances through insulation . 97
Annex M (informative) Dielectric strength test voltages for controlgear intended for
the use in impulse withstand Category III . 98
Annex N (normative) Requirements for insulation materials used for double or
reinforced insulation . 99
N.1 General . 99
N.2 Reference document . 99
N.3 Terms and definitions. 99
N.4 General requirements . 99
N.4.1 Material requirements . 99
N.4.2 Solid insulation . 99
N.4.3 Thin sheet insulation. 99
Annex O (normative) Additional requirements for built-in electronic controlgear with
double or reinforced insulation . 103
O.1 General . 103
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O.2 Terms and definitions. 103
O.3 General requirements . 103
O.4 General notes on tests . 103
O.5 Classification . 104
O.6 Marking . 104
O.7 Protection against accidental contact with live parts. 104
O.8 Terminals . 104
O.9 Provision for earthing . 104
O.10 Moisture resistance and insulation . 104
O.11 Electric strength . 104
O.12 Thermal endurance of windings . 104
O.13 Fault conditions . 104
O.14 Construction . 105
O.15 Creepage distances and clearances. 105
O.16 Screws, current-carrying parts and connections . 105
O.17 Resistance to heat and fire . 105
O.18 Resistance to corrosion . 105
Annex P (normative) Creepage distances and clearances and distance through
isolation (DTI) for lamp controlgear which are protected against pollution by the use of
coating or potting . 106
P.1 General . 106
P.2 Creepage distances . 106
P.2.1 General . 106
P.2.2 Minimum creepage distances for working voltages and rated voltage
with frequencies up to 30 kHz . 106
P.2.3 Creepage distances for working voltages with frequencies above
30 kHz . 106
P.2.4 Compliance with the required creepage distances . 107
P.3 Distance through isolation . 108
P.3.1 General . 108
P.3.2 Compliance tests . 109
P.3.3 Preconditioning of the lamp controlgear . 109
P.3.4 Electrical tests after conditioning . 109
Annex Q (informative) Example for U calculation . 111
p
Annex R (informative) Concept of creepage distances and clearances . 112
R.1 Basic concept considerations . 112
R.1.1 Creepage distances . 112
R.1.2 Clearances . 112
R.2 Why setting up tables? . 113
Annex S (informative) Examples of controlgear insulation coordination . 114
Annex T (informative) Creepage distances and clearances for controlgear with a
higher degree of availability (impulse withstand category III) . 115
T.1 General . 115
T.2 Clearances for working voltages of lamp controlgear not protected against
pollution by coating or potting materials . 115
T.3 Clearances for working voltages of lamp controlgear protected against
pollution by coating or potting . 116
T.4 Distances through insulation – Particular additional requirements for
controlgear providing SELV . 116
Bibliography . 118
Figure 1 – Relation between winding temperature and endurance test duration . 33
Figure 2 – Test circuit for controlgear . 38
Figure 3 – Example of a controlgear insulation related to Table 6 . 42
Figure 4 – Application of Table 7 and Table 8 . 45
Figure 5 – Application of Table 9, Table 10 and Table 11 . 48
Figure 6 – Application of Table 10 and Table 11 . 49
Figure B.1 – Test circuit for thermally protected lamp controlgear . 62
Figure D.1 – Example of heating enclosure for thermally protected ballasts . 68
Figure E.1 – Assessment of claimed value of S . 71
Figure G.1 – Circuit for measuring short-duration pulse energy . 76
Figure G.2 – Suitable circuit for producing and applying long-duration pulses . 78
Figure H.1 – Test arrangement for heating test . 83
Figure N.1 –Test arrangement for checking mechanical withstanding of insulating
materials in thin sheet layers . 102
Figure Q.1 – Example for the calculation of U . 111
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Figure S.1 – Example of schematic drawings, showing the different controlgear
insulation coordination . 114
Table 1 – Required rated impulse withstand voltage of equipment . 21
Table 2 – Working voltage and U steps . 25
out
Table 3 – Electric strength test voltage . 30
Table 4 – Theoretical test temperatures for ballasts subjected to an endurance test
duration of 30 days . 34
Table 5 – Minimum creepage distance on printed circuit board . 37
Table 6 – Insulation requirements between active parts and accessible conductive
parts . 43
Table 7 – Minimum creepage distances for working voltage . 46
Table 8 – Minimum value of creepage distances for sinusoidal or non-sinusoidal
working voltages at different frequency ranges; basic or supplementary insulation . 47
Table 9 – Minimum clearances for working voltages . 49
Table 10 – Minimum distances of clearances for sinusoidal or non-sinusoidal voltages;
inhomogeneous field conditions; basic or supplementary insulation . 51
Table 11 – Minimum distances of clearances for sinusoidal or non-sinusoidal voltages;
inhomogeneous field conditions; reinforced insulation . 52
Table B.1 – Thermal protection operation . 60
Table B.2 – Thermal protection operation . 61
Table G.1 – Component values for measurement of pulse energy . 76
Table K.1 – Minimum values for electrical tests . 89
Table L.1 – Symbols for marking if marking is used . 93
Table L.2 – Values of temperatures in normal use . 94
Table L.3 – Values of insulation resistances . 95
Table L.4 – Table of dielectric strength test voltages for controlgears intended for use
in impulse withstand Category II . 96
Table L.5 – Distances through insulation (DTI) for the impulse withstand category II /
material group IIIa (175 CTI < 400) . 97
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Table M.1 – Table of dielectric strength test voltages for controlgears intended for use
in impulse withstand Category III . 98
Table N.1 – Electric strength test voltage required during the mandrel test . 101
Table P.1 – Minimum creepage distances for working voltages and rated voltages with
frequencies up to 30 kHz . 106
Table P.2 – Minimum value of creepage distances for sinusoidal or non-sinusoidal
working voltages at different frequency ranges; basic or supplementary insulation . 107
Table P.3 – Impulse withstand test voltage for products of impulse withstand
category II . 110
Table T.1 – Minimum clearances for working voltages – Impulse withstand category III . 115
Table T.2 – Impulse withstand test voltages of impulse withstand category III for lamp
controlgear protected against pollution by coating or potting material . 116
Table T.3 – Distances through insulation (DTI) for the impulse withstand category
III/material group IIIa (175 CTI < 400) . 117
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LAMP CONTROLGEAR –
Part 1: General and safety requirements
FOREWORD
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