oSIST prEN IEC 62841-1:2025

SLOVENSKI STANDARD
01-maj-2025
Električna motorna ročna orodja, prenosna orodja ter stroji za trato in vrt - Varnost
- 1. del: Splošne zahteve
Electric motor-operated hand-held tools, transportable tools and lawn and garden
machinery - Safety - Part 1: General requirements
Ta slovenski standard je istoveten z: prEN IEC 62841-1:2025
ICS:
25.140.20 Električna orodja Electric tools
65.060.70 Vrtnarska oprema Horticultural equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

116/875/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62841-1 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-03-21 2025-07-11
SUPERSEDES DOCUMENTS:
116/874/RR
IEC TC 116 : SAFETY OF MOTOR-OPERATED ELECTRIC TOOLS
SECRETARIAT: SECRETARY:
United States of America Ms Heather Darrah
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):

ASPECTS CONCERNED:
Safety
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING

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:
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety -
Part 1: General requirements
PROPOSED STABILITY DATE: 2031
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
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IEC CDV 62841-1 ED2 © IEC 2025 2 116/875/CDV
1 CONTENTS
FOREWORD . 6
3 1 Scope . 8
4 Normative references . 9
5 3 Terms and definitions . 14
6 General requirements . 27
7 5 General conditions for the tests . 27
8 Radiation, toxicity and similar hazards . 29
9 7 Classification . 30
10 Marking and instructions . 30
11 9 Protection against access to live parts . 42
12 Starting . 42
13 11 Input and current . 42
14 Heating . 42
15 13 Resistance to heat and fire . 42
16 Moisture resistance . 43
17 15 Safety critical functions . 43
18 Overload protection of transformers and associated circuits . 50
19 17 Endurance . 50
20 Abnormal operation . 50
21 19 Mechanical hazards . 52
22 Mechanical strength . 54
23 21 Construction . 56
24 Internal wiring . 71
25 23 Components . 73
26 Supply connection and external flexible cords . 75
27 25 Terminals for supply cords . 76
28 Provisions for protective earthing . 76
29 27 Screws and connections . 76
30 Creepage distances, clearances and distances through insulation . 77
31 Annex A (normative) Mains-operated tools . 78
Annex B (normative) Battery tools and battery packs . 136
33 Annex C (normative) Battery tools and battery packs provided with mains connection or non-
34 isolated sources . 190
35 Annex D (informative) Determination of applicable requirements for tools dependent on the
36 power source . 198
37 Annex E (normative) Tools and battery charging systems powered by a USB power source
................................................................................................................................... 199
39 Annex F (normative) Tethering requirements for hand-held tools . 202
40 Annex G (normative) Motors not isolated from the supply mains and having basic insulation
41 not designed for the rated voltage of the tool . 209
42 Annex H (normative) Determination of a low-power circuit . 211
43 Annex I (informative) Measurement of noise and vibration emissions . 212
44 Annex J (normative) Testing with artificial source and artificial load . 227

IEC CDV 62841-1 ED2 © IEC 2025 3 116/875/CDV
45 Annex K (normative) Leakage current . 231
46 Annex L (normative) Electric strength . 236
47 Annex M (informative) Hardware reliability without fault analysis . 238
48 Annex N (normative) Software evaluation . 241
49 Annex O (normative) Requirements for protective electronic devices that are relied upon to
50 pass overstress tests . 248
51 Annex P (normative) Aging test for gaskets, o-rings, seals and tubing used for moisture
52 resistance . 250
53 Annex Q (normative) Resistance to rusting test . 251
54 Annex R (normative) Reliability evaluation of SCF circuits with PL =d . 252
r
55 Annex S (informative) Methods of applying ISO 13849-1 to power tools . 255
56 Annex T (normative) Remote communication through public networks . 257
57 Annex U (informative) Methods to estimate the average probability of dangerous failure per
58 hour caused by remote communication through public networks . 261
59 Annex V (normative) Measurement of creepage distances and clearances . 264
60 Annex W (informative) Isolation and disabling during user maintenance . 269
61 Annex X (informative) Rules for routine tests . 270
62 Bibliography . 272
64 Figure 1 – Example of durability test for labels with adhesive backing . 37
65 Figure 2 – Small part . 43
66 Figure 3 – Method of assessing safety critical functions . 45
67 Figure 4 – Measurement of handle gripping length . 61
68 Figure 5 – Measurement of handle gripping length . 62
69 Figure 6 – Measurement of handle gripping length for a handle with finger grips or similar
70 superimposed profiles . 62
71 Figure 7 – Example of a lock-off device that is located within the grasping surface of a handle
72 63
73 Figure 8 – Application of steel rod when rotated around the handle . 63
74 Figure 9 – Application of steel rod when applied in the direction perpendicular to the handle
75 axis 64
76 Figure 10 – Test fingernail . 66
77 Figure 11 – Measurement of flange height . 68
78 Figure A.1 – Overload test of a class II armature . 102
79 Figure A.2 – Flexing test apparatus . 121
80 Figure B.1 – Examples of pre-conditioned cell positions in a parallel arrangement of series
81 clusters of cells . 138
82 Figure B.2 – Symbol illustrating “OK to use in rain” . 142
83 Figure B.3 – Example of a barrel (coaxial power) connector . 177
84 Figure B.4 – Example of a phone (audio) plug . 177
85 Figure B.5 – Measurement of clearances relied upon for protection against electric shock . 187
86 Figure D.1 - Example of how to determine applicable requirements for tools dependent on the
87 power source . 198
88 Figure F.1 – Test setup for tools where the maximum length of the tool lanyard is specified in
89 accordance with F.8.12.3 a) 202) . 205
90 Figure F.2 – Test setup for tools where a specific energy absorbing tool lanyard is specified by
91 the tool manufacturer in accordance with F.8.12.3 a) 203) . 206

IEC CDV 62841-1 ED2 © IEC 2025 4 116/875/CDV
92 Figure G.1 – Simulation of fault conditions . 210
93 Figure H.1 – Example of an electronic circuit with low-power points . 211
94 Figure I.1 – Positions of a hand-held power tool and microphones for the hemispherical /
95 cylindrical measurement surface . 213
96 Figure I.2 – Microphone positions on a cubic measurement surface . 214
97 Figure I.3 – Test bench . 217
98 Figure I.4 – Directions of vibration measurement . 221
99 Figure J.1 – Examples of using single or multiple artificial sources for a range of battery packs
100 229
101 Figure K.1 – Diagram for leakage current measurement for single-phase connection and three-
102 phase tools suitable for single-phase supply . 234
103 Figure K.2 – Diagram for leakage current measurement for three-phase connection . 235
104 Figure K.3 – Circuit of the leakage current meter . 235
105 Figure U.1 – Flow of information for a remotely communicated software update . 262
106 Figure U.2 – Flow of information for a power to
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