Arc welding equipment - Part 1: Welding power sources
Note: a more recent version of this publication exists
IEC 60974-1:2017+AMD1:2019 CSV
This document specifies safety and performance requirements of welding power sources and plasma cutting systems.
This document is not applicable to limited duty arc welding and cutting power sources which are designed mainly for use by laymen and designed in accordance with IEC 60974-6.
This document includes requirements for battery-powered welding power sources and battery packs, which are given in Annex O.
This document is not applicable to testing of power sources during periodic maintenance or after repair.
This fifth edition cancels and replaces the fourth edition published in 2012 and constitutes a technical revision.
The significant changes with respect to the previous edition are the following:
– improvement of Figure 1 (6.1.1);
– modification of Table 3 (6.1.4);
– description of energy efficiency measurements in Annex M;
– inclusion of battery supplied welding power sources in the scope. Requirements therefore are described in Annex O.
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