I.S. EN 60974-1:2012
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ARC WELDING EQUIPMENT - PART 1: WELDING POWER SOURCES (IEC 60974-1:2012 (EQV))
Hardcopy , PDF
28-09-2021
English
01-01-2012
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Environmental conditions
5 Tests
6 Protection against electric shock
7 Thermal requirements
8 Thermal protection
9 Abnormal operation
10 Connection to the supply network
11 Output
12 Control circuits
13 Hazard reducing device
14 Mechanical provisions
15 Rating plate
16 Adjustment of the output
17 Instructions and markings
Annex A (informative) - Nominal voltages of supply networks
Annex B (informative) - Example of a combined dielectric test
Annex C (normative) - Unbalanced load in case of a.c. tungsten
inert-gas welding power sources
Annex D (informative) - Extrapolation of temperature to time
of shutdown
Annex E (normative) - Construction of supply circuit terminals
Annex F (informative) - Cross-reference to non-SI units
Annex G (informative) - Suitability of supply network for the
measurement of the true r.m.s. value of the supply current
Annex H (informative) - Plotting of static characteristics
Annex I (normative) - Test methods for a 10 Nm impact
Annex J (normative) - Thickness of sheet metal for enclosures
Annex K (informative) - Examples of rating plates
Annex L (informative) - Graphical symbols for arc welding equipment
Annex M (informative) - Efficiency
Annex N (normative) - Touch current measurement in fault condition
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
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