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BS EN 62841-4-2:2019+A11:2022:2023 Edition

BS EN 62841-4-2:2019+A11:2022:2023 Edition

$215.11

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety – Particular requirements for hedge trimmers

Published By Publication Date Number of Pages
BSI 2023 116
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PDF Catalog

PDF Pages PDF Title
2 undefined
10 Blank Page
14 Blank Page
15 CONTENTS
18 FOREWORD
20 INTRODUCTION
21 1 Scope
2 Normative references
22 3 Terms and definitions
23 4 General requirements
5 General conditions for the tests
24 6 Radiation, toxicity and similar hazards
7 Classification
8 Marking and instructions
27 9 Protection against access to live parts
10 Starting
11 Input and current
12 Heating
13 Resistance to heat and fire
14 Moisture resistance
28 15 Resistance to rusting
16 Overload protection of transformers and associated circuits
17 Endurance
18 Abnormal operation
29 19 Mechanical hazards
Tables
Table 4 – Required performance levels
36 Table 101 – Hedge trimmer categories (excluding extended-reach hedge trimmers)
37 Table 102 – Extended-reach hedge trimmer categories
43 20 Mechanical strength
46 21 Construction
47 Table 7 – Switch trigger force
49 22 Internal wiring
50 23 Components
51 Table 103 – Test cycle for two-handed blade controls with non-sequential operation
Table 104 – Test cycle for two-handed blade controls with sequential operation
52 24 Supply connection and external flexible cords
53 25 Terminals for external conductors
26 Provision for earthing
27 Screws and connections
28 Creepage distances, clearances and distances through insulation
55 Table 12 – Minimum creepage distances and clearances
58 Figure 101 – Pictorial representation of some definitions
Figure 102 – Pictorial representation of some definitions
59 Figures
Figure 103 – Measurement of cutting length
60 Figure 104 – Handles positioning
62 Figure 105 – Measurement of handle gripping length
Figure 106 – Adjustable front handle limits for side to side handle rotation
63 Figure 107 – Adjustable rear handle limits for side to side handle rotation
64 Figure 108 – Measurement of reach distance
65 Figure 109 – Front hand barrier dimensions
Figure 110 – Front hand barrier width for category 3a with adjustable cutting device
66 Figure 111 – Examples of compliant/non-compliant handle distances and handle attachments for category 1
67 Figure 112 – Measurement of distance from the cutter blade to handles and grasping surfaces
68 Figure 113 – Measurement method for minimum length of blunt extensions along the axis of the cutting device
69 Figure 114 – Cutting device configuration examples for categories 1 and 2 (see Table 101 and Table 102)
Figure 115 – Cutting device configuration example for categories 3a and 3b (see Table 101 and Table 102)
70 Figure 116 – Cutting device configuration example for category 4 (see Table 101 and Table 102)
71 Figure 117 – Adjustable cutting device side to side limits
Figure 118 – Lower barrier
72 Figure 119 – Measurement of the force necessary to maintain an extended-reach hedge trimmer in a horizontal orientation
74 Figure 120 – Hedge trimmer positions for drop test of 20.3.1
75 Figure 121 – Additional drop test of 20.3.1for extended-reach hedge trimmers
76 Figure 122 – Impact test fixture for handle insulation
77 Figure 123 – Mounting and application of forcefor the test of 20.101.3.3
Figure 124 – Example of an operator presence sensor
78 Figure 125 – Test assembly for accessibility ofattachment plug blades
Figure 126 – Application of steel rod when rotated around the rear handle
79 Figure 127 – Application of steel rod when applied in the direction perpendicular to the rear handle axis
80 Annexes
81 Annex I (informative) Measurement of noise and vibration emissionsNOTE
Figure I.101 – Microphone positions on the hemisphere (see Table I.101)
83 Table I.101 – Coordinates of microphone positions
Table I.102 – Absorption coefficients
87 Figure I.102 – Positions of transducers for hedge trimmers, except for extended-reach hedge trimmers
88 Figure I.103 – Positions of transducers for extended-reach hedge trimmers
90 Annex K (normative) Battery tools and battery packs
99 Table K.301 – Pull and torque value
101 Table K.1 – Minimum creepage distances and clearances between parts of different potential
102 Table K.2 – Minimum total sum of creepage distances and clearances to accessible surfaces
103 Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources
109 Annex AA (normative) Safety signs for safety instructions and warnings
Figure AA.1 – Safety sign illustrating – "DANGER –Keep hands away from blade"
Figure AA.2 – Alternative safety sign illustrating – "DANGER –Keep hands away from blade"
Figure AA.3 – Safety sign illustrating –"Do not expose to rain"
110 Figure AA.4 – Safety sign illustrating – "Remove plug fromthe mains immediately if the cable is damaged or cut"
Figure AA.5 – Safety signs illustrating –"Wear eye protection"
111 Figure AA.6 – Optional safety sign illustrating –"Wear eye and head protection"
Figure AA.7 – Safety sign illustrating – "Wear ear protection"
112 Annex BB (informative) Example of a material and construction for fulfilling the requirements for an artificial surface
113 Figure BB.1 – Sketch of the measurement surface covered with an artificial surface
114 Bibliography

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BS EN 62841-4-2:2019+A11:2022
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