IEC 60974-10-2020 pdf free download

IEC 60974-10-2020 pdf free download.Arc welding equipment — Part 10: Electromagnetic compatibility (EMC) requirements
Materiel de soudage a l’arc — Partie 10: Exigences de compatibilite electromagnetique (CEM).
b) For Class A equipment the following warning or its equivalent shall be included in the instruction manual:
This Class A equipment is not intended for use in residential locations where the electrical power is provided by the public low-voltage supply system. There can be potential difficulties in ensuring electromagnetic compatibility in those locations, due to conducted as well as radiated radio-frequency disturbances.
c) If the equipment with an input current below 75 A per phase is intended to be connected to public low voltage systems, and it does comply with IEC 61000-3-11:2017 or IEC 61000-3-12:2011 based on system impedance restrictions, the information given in the next paragraph or its equivalent shall be included in the instruction manual. The restriction shall be given as the lower value of the permissible system impedances (in mo) or the higher value of the required short circuit power (in MVA) resulting from tests in accordance with these standards. The impedance value may be calculated from the short circuit power value and vice versa.
Provided that the public low voltage system impedance at the point of common coupling is lower than XX mo (or the short circuit power is higher than XX MVA), this equipment is compliant with IEC 61000-3-11:2017 and IEC 61000-3-12:2011 and can be connected to public low voltage systems. It is the responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network operator if necessary, that the system impedance complies with the impedance restrictions.
d) If the equipment with an input current below 75 A per phase is intended to be connected to public low voltage systems, and it does not comply with IEC 61000-3-12:2011 the following information or its equivalent shall be included in the instruction manual:
This equipment does not comply with IEC 61000-3-12:2011. If it is connected to a public low voltage system, it is the responsibility of the installer or user of the equipment to ensure, by consultation with the distribution network operator, that the equipment may be connected.
e) Information on any special measures that have to be taken to achieve compliance, for example the use of shielded cables.IEC 60974-10-2020 pdf free download.