IEC 62020-1:2020 applies to residual current monitors for household and similar purposes, having rated operational voltages and a rated voltage of the monitored circuit not exceeding 440 V AC and rated currents not exceeding 125 A. This first edition cancels and replaces IEC 62020:1998 and IEC 62020:1998/AMD1:2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: ? definition of Type F and Type B RCM; ? marking of Type F and Type B RCM; ? introduction of a new subclause, 8.20; ? modification of 9.7; ? update of 9.9; ? modification of 9.14; ? modification of 9.19, for introduction of the relevant test for Type F and Type B RCM. The contents of the corrigendum of July 2020 have been included in this copy.
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