DS/EN 61008-1:2012/A12:2017

Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules

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Harmonized under:
  • Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits Text with EEA relevance

Harmonized standards:


IEC 61008-1:2010 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 (hereafter referred to as RCCBs), for rated voltages not exceeding 440 V a.c. with rated frequencies of 50 Hz, 60 Hz or 50/60 Hz and rated currents not exceeding 125 A, intended principally for protection against shock hazard. This third edition cancels and replaces the second edition published in 1996, amendment 1 (2002) and amendment 2 (2006). This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – complete revision of EMC sequences, including the new test T.2.6 already approved in IEC 61543; – clarification of RCDs current/time characteristics reported in Tables 1 and 2; – revision of test procedure for IΔn< /sub> between 5 A and 200 A; – testing procedure regarding the 6mA d.c. current superimposed to the fault current; – improvement highlighting RCDs with multiple sensitivity; – tests for the use of RCCBs in IT systems.

Number of pages: 5

Published: 2017-03-22

Date of approval: 2017-03-20

International relationships : EN 61008-1:2012/A12:2017 IDT

ICS: 29.120.50 - Fuses and other overcurrent protection devices

Item number: M315143



  • CLC/TC 23E

Danish committee