SN EN 60974-3 : 2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 3: ARC STRIKING AND STABILIZING DEVICES
01-03-2010
12-01-2013
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Environmental conditions
5 Test conditions
5.1 Type tests
5.2 Routine tests
6 Protection against electric shock
6.1 Clearances
6.2 Creepage distances
6.3 Isolation of the output and arc striking and arc
stabilizing voltage
6.4 Dielectric strength
7 Thermal requirements
8 Abnormal operation
9 Thermal protection
10 Connection to the input supply
11 Output
11.1 Rated peak voltage
11.2 Impulse current
11.3 Mean energy
11.4 Output circuit capacitance discharging
12 Control circuits
13 Mechanical requirements
14 Rating plate
15 Instructions and markings
Annex A (informative) examples of coupling systems for arc
striking and stabilizing devices
Annex B (informative) Example of a rating plate
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
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