IEC 62135-2 Ed. 3.0 b:2020 PDF


Resistance welding equipment – Part 2: Electromagnetic compatibility (EMC) requirements
standard by International Electrotechnical Commission, 03/30/2020

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IEC 62135-2:2020 is applicable to equipment for resistance welding and allied processes which are connected to mains supplies with rated voltages up to 1 000 V a.c. r.m.s. This standard does not define safety requirements. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
– update of the applicable limits related to the updated reference to CISPR 11;
– exclusion of the use of narrow band relaxations for RF emission limits;
– update of the applicable limits for harmonics and flicker related to the updated reference to IEC 61000-3-11 and IEC 61000-3-12;
– update of the requirements for voltage dips related to the updated reference to IEC 61000-4-11 and IEC 61000-4-34;
– inclusion of symbols to indicate the RF equipment class and restrictions for use;
– inclusion of EM field immunity test for frequency from 1,4 GHz to 2,7 GHz;
– inclusion of emission limits for class B resistance welding equipment magnetic fields between 150 kHz and 30 MHz.

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