prEN IEC 62031:2025

LED modules - Safety requirements

Modules LED - Exigences de sécurité

Moduli LED - Varnostne zahteve

General Information

• Status: Not Published
• Publication Date: 21-Sep-2026
• 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: 23-May-2025
• Completion Date: 23-May-2025
• 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 62031:2025 - 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-2025
Moduli LED - Varnostne zahteve
LED modules - Safety requirements
Modules LED - Exigences de sécurité
Ta slovenski standard je istoveten z: prEN IEC 62031:2025
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/2442/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62031 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-03-28 2025-05-23
SUPERSEDES DOCUMENTS:
34A/2390/CDV, 34A/2428A/RVC
IEC SC 34A : ELECTRIC LIGHT SOURCES
SECRETARIAT: SECRETARY:
United Kingdom Mr Petar Luzajic
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
TC 34,SC 34B,SC 34C,SC 34D
ASPECTS CONCERNED:
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.

2 IEC CDV 62031 ED3 © IEC 2025
1 CONTENTS
3 FOREWORD . 5
4 1 Scope . 7
5 2 Normative references . 7
6 3 Terms and definitions . 8
7 4 Classification . 12
8 5 General requirements . 12
9 6 General notes on tests . 12
10 6.1 General . 12
11 6.1.1 Type test . 12
12 6.1.2 Test samples . 12
13 6.1.3 Compliance by inspection of relevant data . 13
14 6.2 Default test conditions . 13
15 6.2.1 General . 13
16 6.2.2 Electrical supply conditions . 13
17 6.2.3 Ambient test conditions . 14
18 7 Marking . 14
19 7.1 Overview. 14
20 7.2 Marking content . 15
21 7.3 LED module marking . 15
22 7.4 Marking of control terminals . 16
23 7.5 Durability and legibility of marking . 16
24 8 Electrical safety . 16
25 8.1 General . 16
26 8.2 Protection against electric shock . 17
27 8.2.1 Construction . 17
28 8.2.2 Tests for accessibility of live parts . 19
29 8.2.3 Requirements for accessible conductive parts . 19
30 8.2.4 Requirements for SELV circuits and PELV circuits . 21
31 8.2.5 Capacitor discharge requirements . 21
32 8.3 Electric strength . 21
33 8.3.1 General . 21
34 8.3.2 Electric strength test . 21
35 8.4 Creepage distances, clearances and distances through insulation . 23
36 8.5 Electrical connections . 23
37 8.6 Terminals . 23
38 8.7 Earthing . 24
39 8.7.1 General . 24
40 8.7.2 Protective conductor current . 24
41 9 Thermal safety . 24
42 9.1 Resistance to heat and fire . 24
43 9.1.1 Resistance to heat . 24
44 9.1.2 Resistance to flame and ignition . 25
45 9.2 Heat management . 26
46 9.2.1 General . 26
47 9.2.2 Thermal interface material . 26
48 9.2.3 Testing . 26

IEC CDV 62031 ED3 © IEC 2025 3
49 9.2.4 Compliance . 27
50 10 Mechanical safety . 27
51 10.1 General . 27
52 10.2 Common requirements for mechanical safety . 27
53 10.3 Mechanical strength . 27
54 10.4 Screws and mechanical connections . 28
55 11 Photobiological safety . 29
56 11.1 Actinic UV hazards for skin and eye (200 nm to 400 nm wavelength) . 29
57 11.2 UV-A hazard for the eye lens (315 nm to 400 nm) . 29
58 11.3 Retinal blue light hazard (300 nm to 700 nm) . 29
59 11.4 Retinal thermal hazard (380 nm to 1 400 nm) . 29
60 11.5 Infrared radiation hazard for the eye (780 nm to 3 000 nm) . 30
61 11.6 Thermal hazard for the skin (380 nm to 3 000 nm) . 30
62 12 Fault conditions . 30
63 12.1 General . 30
64 12.2 Applicable fault conditions . 30
65 12.2.1 Electronic components. 30
66 12.2.2 PCB tracks . 31
67 12.2.3 Insulation layers . 31
68 12.3 Test power supply requirements . 31
69 12.3.1 LED modules supplied by voltage sources . 31
70 12.3.2 LED modules supplied by current sources . 31
71 12.4 Test procedures and compliance . 31
72 12.4.1 Test procedures . 31
73 12.4.2 Compliance . 32
74 13 Abnormal conditions . 32
75 13.1 General . 32
76 13.2 Applicable abnormal conditions . 33
77 13.2.1 Insertion orientation . 33
78 13.2.2 Maximum load at output terminals . 33
79 13.2.3 Phase cut dimmers test . 33
80 Annex A (normative) Measurement of touch current and protective conductor current . 35
81 A.1 General conditions . 35
82 A.2 Measurement of protective conductor current . 35
83 A.3 Measurement of touch current for normal and abnormal conditions . 35
84 A.4 Test procedure . 36
85 Annex B (informative)  Information for luminaire design . 39
86 B.1 General . 39
87 B.2 Water contact . 39
88 B.3 Blue light hazard assessment . 39
89 B.3.1 LED modules classified as BLH-A . 39
90 B.3.2 LED modules classified as BLH-B . 39
91 B.3.3 LED modules classified as BLH-C . 39
92 B.4 Special information . 39
93 B.4.1 Interchangeability . 39
94 B.4.2 Heat management . 40
95 B.4.3 Working voltage . 41
96 B.4.4 LED module protection against electric shock . 41
97 B.4.5 Controlgear output current . 41
98 Annex C (informative) Information for controlgear design . 42

4 IEC CDV 62031 ED3 © IEC 2025
99 Bibliography . 43
101 Figure 1 – Caution, risk of electric shock . 16
102 Figure 2 – Ball-pressure test apparatus . 24
103 Figure 3 – Abnormal temperature test
...