Applies to auxiliary contact units associated (or intended to be associated) with circuit-breakers for overcurrent protection, and with residual current operated circuit-breakers with or without integral overcurrent protection for household and similar installations, having a rated voltage not exceeding 440 V a.c. and 250 V d.c., and a rated current not exceeding 10 A.
GSO IEC 62019:2008 history
2008GSO IEC 62019:2008 Electrical accessories - Circuit-breakers and similar equipment for household use - Auxiliary contact units