Applies to residual current operated circuit-breakers functionally independent of, or functionally dependent on, line voltage, for household and similar uses, not incorporating overcurrent protection, for rated voltages not exceeding 440 V a.c. and rated currents not exceeding 125 A, intended principally for protection against shock-hazard. This part includes definitions, requirements and tests, covering all types of RCCBs.

IEC 61008-1:1990

Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB's). Part 1: General rules.