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.