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BS EN IEC 60974-1:2022+A11:2022:2023 Edition

BS EN IEC 60974-1:2022+A11:2022:2023 Edition

$215.11

Arc welding equipment – Welding power sources

Published By Publication Date Number of Pages
BSI 2023 170
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 European foreword
7 European foreword to A11
8 Annex ZA (normative) Normative references to international publicationswith their corresponding European publications
Annex ZA (normative) Normative references to international publicationswith their corresponding European publications
Annex ZA (normative) Normative references to international publicationswith their corresponding European publications
10 Annex ZZA (informative) Relationship between this European standard and the safety objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be covered
Annex ZZA (informative) Relationship between this European standard and the safety objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be covered
12 Annex ZZB (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 2019/1784 aimed to be covered
Annex ZZB (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 2019/1784 aimed to be covered
17 FOREWORD
19 1 Scope
2 Normative references
20 3 Terms and definitions
22 3.1 General terms and definitions
30 3.2 Terms and definitions related to battery SYSTEMs
33 3.3 Terms and definitions related to efficiency and idle state power measurement
34 4 Environmental conditions
5 Tests
5.1 Test conditions
35 5.2 Measuring instruments
5.3 Conformity of components
36 5.4 Type tests
37 5.5 Routine TESTs
6 Protection against electric shock
6.1 Insulation
6.1.1 General
38 6.1.2 Clearances
39 6.1.3 Creepage distances
41 6.1.4 Insulation resistance
42 6.1.5 Dielectric strength
43 6.2 Protection against electric shock in normal service (direct contact)
6.2.1 Protection provided by the enclosure
6.2.2 Capacitors
44 6.2.3 Automatic discharge of supply circuit capacitors
6.2.4 Isolation of the welding circuit
6.2.5 Welding circuit touch current
45 6.2.6 Touch current in normal condition
6.3 Protection against electric shock in case of a fault condition (indirect contact)
6.3.1 Protective provisions
6.3.2 Isolation between windings of the supply circuit and the welding circuit
46 6.3.3 Internal conductors and connections
6.3.4 Additional requirements for plasma cutting SYSTEMs
47 6.3.5 Movable coils and cores
6.3.6 Touch current in fault condition
48 7 Thermal requirements
7.1 Heating test
7.1.1 Test conditions
7.1.2 Tolerances of the test parameters
7.1.3 Duration of test
49 7.2 Temperature measurement
7.2.1 Measurement conditions
7.2.2 Surface temperature sensor
7.2.3 Resistance
7.2.4 Embedded temperature sensor
50 7.2.5 Determination of the ambient air temperature
7.2.6 Recording of temperatures
7.3 Limits of temperature rise
7.3.1 Windings, commutators and slip-rings
51 7.3.2 External surfaces
52 7.3.3 Other components
7.4 Loading test
7.5 Commutators and slip-rings
53 8 Thermal protection
8.1 General requirements
8.2 Construction
8.3 Location
8.4 Operating capacity
8.5 Operation
54 8.6 Resetting
8.7 Indication
9 Abnormal operation
9.1 General requirements
9.2 Stalled fan test
55 9.3 Short circuit test
9.4 Overload test
9.5 Capacitors short circuit
56 10 Connection to the supply network
10.1 Supply voltage
10.2 Multi-supply voltage
57 10.3 Means of connection to the supply circuit
10.4 Marking of terminals
10.5 Protective circuit
10.5.1 Continuity requirement
58 10.5.2 Type test
10.5.3 Routine test
59 10.6 Cable anchorage
60 10.7 Inlet openings
10.8 Supply circuit on/off switching device
61 10.9 Supply cables
10.10 Supply coupling device (attachment plug)
62 11 Output
11.1 Rated no-load voltage
11.1.1 Rated no-load voltage for use in environments with increased risk of electric shock
11.1.2 Rated no-load voltage for use in environments without increased risk of electric shock
11.1.3 Rated no-load voltage for the use with mechanically held torches with increased protection for the operator
11.1.4 Rated no-load voltage for special processes for example plasma cutting
63 11.1.5 Additional requirements
64 11.1.6 Measuring circuits
65 11.2 Type test values of the conventional load voltage
11.2.1 Manual metal arc welding with covered electrodes
11.2.2 Tungsten inert gas
11.2.3 Metal inert/active gas and flux cored arc welding
11.2.4 Submerged arc welding
11.2.5 Plasma cutting
11.2.6 Plasma welding
11.2.7 Plasma gouging
66 11.2.8 Additional requirements
11.3 Mechanical switching devices used to adjust output
11.4 Welding circuit connections
11.4.1 Protection against unintentional contact
11.4.2 Location of coupling devices
11.4.3 Outlet openings
67 11.4.4 Three-phase multi-operator welding transformer
11.4.5 Marking
11.4.6 Connections for plasma cutting torches
11.5 Power supply to external devices connected to the welding circuit
68 11.6 Auxiliary power supply
11.7 Welding cables
12 Control circuits
12.1 General requirement
12.2 Isolation of control circuits
69 12.3 Working voltages of remote control circuits
13 Hazard reducing device
13.1 General requirements
13.2 Types of hazard reducing devices
13.2.1 Voltage reducing device
13.2.2 Switching device for AC to DC
70 13.3 Requirements for hazard reducing devices
13.3.1 Disabling the hazard reducing device
13.3.2 Interference with operation of a hazard reducing device
13.3.3 Indication of satisfactory operation
13.3.4 Fail to a safe condition
14 Mechanical provisions
14.1 General requirements
71 14.2 En closu re
14.2.1 Enclosure materials
14.2.2 Enclosure strength
14.3 Handling means
14.3.1 Mechanised handling
72 14.3.2 Manual handling
14.4 Drop withstand
14.5 Tilting stability
73 15 Rating plate
15.1 General requirements
15.2 Descript ion
74 15.3 Contents
78 15.4 Toleran ces
15.5 Direction of rotation
16 Adjustment of the output
16.1 Type of adjustment
16.2 Marking of the adjusting device
79 16.3 Indication of current or voltage control
16.3.1 Gen eral
16.3.2 Set value
16.3.3 Displayed value
80 17 Instructions and markings
17.1 Instructions
81 17.2 Markings
82 Bibliography
85 Annex A (normative) Nominal voltages of supply networks
88 Annex B (informative) Example of a combined dielectric test
89 Annex C (normative) Unbalanced load in case of AC tungsten inert-gas welding power sources
92 Annex D (informative) Extrapolation of temperature to time of shutdown
93 Annex E (normative) Construction of supply circuit terminals
95 Annex F (informative) Cross-reference to non-SI units
96 Annex G (informative) Suitability of supply network for the measurement of the true RMS value of the supply current
98 Annex H (informative) Plotting of static characteristics
99 Annex I (normative) Test methods for a 10 Nm impact
101 Annex J (normative) Thickness of sheet metal for enclosures
103 Annex K (informative) Examples of rating plates
110 Annex L (informative) Graphical symbols for arc welding equipment
135 Annex M (normative) Efficiency and idle state power measurement
143 Annex N (normative) Touch current measurement
149 Annex O (normative) Battery-powered welding power sources

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BS EN IEC 60974-1:2022+A11:2022
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