prEN IEC 62031:2024

LED modules - Safety requirements

Moduli LED - Varnostne zahteve

General Information

• Status: Not Published
• Publication Date: 03-Nov-2025
• ICS: 29.140.99 - Other standards related to lamps
• ICS: 31.080.99 - Other semiconductor devices
• Technical Committee: CLC/TC 34 - 'Lamps and related equipment
• Current Stage: 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
• Start Date: 05-Jul-2024
• Completion Date: 05-Jul-2024
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Mandate: M/511 - Mandate to CEN, CENELEC and ETSI relating to harmonised standards in the field of the Low Voltage Directive
• Ref Project: oSIST prEN IEC 62031:2024 - LED modules - Safety requirements

Relations

• Revises: EN IEC 62031:2020 - LED modules for general lighting - Safety specifications
• Effective Date: 27-Feb-2024
• Revises: EN IEC 62031:2020/A11:2021 - LED modules for general lighting - Safety specifications
• Effective Date: 27-Feb-2024

Standards Content (Sample)

SLOVENSKI STANDARD
01-junij-2024
Moduli LED - Varnostne zahteve
LED modules - Safety requirements
Ta slovenski standard je istoveten z: prEN IEC 62031:2024
ICS:
29.140.99 Drugi standardi v zvezi z Other standards related to
žarnicami lamps
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

34A/2390/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62031 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-04-12 2024-07-05
SUPERSEDES DOCUMENTS:
34A/2389/RR
IEC SC 34A : ELECTRIC LIGHT SOURCES
SECRETARIAT: SECRETARY:
United Kingdom Mr Petar Luzajic
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 34,SC 34B,SC 34C,SC 34D
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
LED modules - Safety requirements

PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
Committee positions. You may not copy or "mirror" the file or printed version of the document, or any part of it,
for any other purpose without permission in writing from IEC.

IEC CDV 62031 © IEC 2024 2 34A/2390/CDV

2 CONTENTS
4 FOREWORD . 5
5 1 Scope . 7
6 2 Normative references . 8
7 3 Terms and definitions . 8
8 4 Classification . 11
9 5 General requirements . 11
10 6 General conditions for tests . 12
11 6.1 General . 12
12 6.1.1 Type test . 12
13 6.1.2 Test samples . 12
14 6.1.3 Compliance by inspection of relevant data . 12
15 6.2 Default test conditions . 12
16 6.2.1 General . 12
17 6.2.2 Electrical supply conditions. 12
18 6.2.3 Ambient test conditions. 13
19 7 Marking . 13
20 7.1 Overview . 13
21 7.2 Marking content . 14
22 7.3 LED module marking . 15
23 7.4 Marking of control terminals . 15
24 7.5 Durability and legibility of marking. 16
25 8 Electrical safety . 16
26 8.1 General . 16
27 8.2 Electrical connections . 16
28 8.3 Protection against electric shock . 16
29 8.3.1 Construction . 16
30 8.3.2 Tests for accessibility of hazardous-live-parts . 18
31 8.3.3 Requirements for accessible parts . 18
32 8.3.4 Requirements for SELV circuits and PELV circuits . 20
33 8.3.5 Capacitor discharge requirements . 20
34 8.4 Electric strength . 21
35 8.4.1 General . 21
36 8.4.2 Humidity conditioning . 21
37 8.4.3 Electric strength test . 21
38 8.5 Creepage distances, clearances and distances through insulation . 22
39 8.6 Terminals . 22
40 8.7 Earthing . 23
41 8.7.1 General . 23
42 8.7.2 Protective conductor current . 23
43 8.8 Insertion orientation of LED modules . 23
44 9 Thermal safety. 23
45 9.1 Resistance to heat and fire . 23
46 9.1.1 Resistance to heat . 23
47 9.1.2 Resistance to flame and ignition . 24
48 9.2 Heat management . 25
49 9.2.1 General . 25

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50 9.2.2 Thermal interface material . 25
51 9.2.3 Testing . 25
52 9.2.4 Compliance . 26
53 10 Mechanical safety . 26
54 10.1 General . 26
55 10.2 Common requirements for mechanical safety . 27
56 10.3 Mechanical strength . 27
57 10.4 Fixing of conductors . 27
58 10.4.1 Requirements . 27
59 10.4.2 Compliance criteria . 27
60 10.5 Screws and mechanical connections . 27
61 10.6 Ingress protection . 28
62 11 Photobiological safety. 28
63 11.1 Actinic UV hazards for skin and eye (200 nm to 400 nm wavelength) . 28
64 11.2 UV-A hazard for the eye lens (315 nm to 400 nm) . 29
65 11.3 Retinal blue light hazard (300 nm to 700 nm) . 29
66 11.4 Retinal thermal hazard (380 nm to 1 400 nm) . 29
67 11.5 Infrared radiation hazard for the eye (780 nm to 3 000 nm) . 29
68 11.6 Thermal hazard for the skin (380 nm to 3 000 nm) . 29
69 12 Fault conditions . 29
70 12.1 General . 29
71 12.2 Applicable fault conditions . 30
72 12.2.1 Electronic components . 30
73 12.2.2 PCB tracks . 30
74 12.2.3 Insulation layers . 30
75 12.3 Test power supply requirements . 30
76 12.3.1 LED modules supplied by voltage sources . 30
77 12.3.2 LED modules supplied by current sources . 30
78 12.4 Test procedures and compliance. 30
79 12.4.1 Test procedures. 30
80 12.4.2 Compliance . 31
81 13 Abnormal conditions . 31
82 13.1 General . 31
83 13.2 DC supply polarity test . 32
84 13.3 Maximum load at output terminals . 32
85 13.4 LED light sources specified for AC mains operation which are declared not
86 suitable for use with phase cut dimmers . 32
87 13.4.1 Requirements . 32
88 13.4.2 Tests . 32
89 13.5 Compliance . 33
90 Annex A (normative) Measurement of touch current and protective conductor current . 34
91 A.1 General conditions . 34
92 A.2 Measurement of protective conductor current . 34
93 A.3 Measurement of touch current in case of normal and abnormal conditions . 34
94 A.4 Measurement of touch current in case of failure of basic protection . 35
95 A.5 Test procedure. 35
96 Annex B (informative)  Information for luminaire design . 38
97 B.1 General . 38
98 B.2 Water contact . 38
99 B.3 Blue light hazard assessment . 38
100 B.3.1 LED modules classified as BLH-A . 38

IEC CDV 62031 © IEC 2024 4 34A/2390/CDV

101 B.3.2 LED modules classified as BLH-B . 38
102 B.3.3 LED modules c
...