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IEC 61008-1 - Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules | Engineering360
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules
This International Standard 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.
RCCBs complying with this standard, with the exception of those with an uninterrupted neutral, are suitable for use in IT systems.
Special precautions (e.g. lightning arresters) may be necessary when excessive overvoltages are likely to occur on the supply side (for example in the case of supply through overhead lines) (see IEC 60364-4-44).
RCCBs of the general type are resistant to unwanted tripping including the case where surge voltages (as a result of switching transients or induced by lightning) cause loading currents in the installation without occurrence of flashover.
- RCCBs incorporated in or intended only for association with plugs and socket-outlets or with appliance couplers for household or similar general purposes;
- RCCBs intended to be used at frequencies other than 50 Hz or 60 Hz.
For RCCBs incorporated in, or intended only for association with socket-outlets, the requirements of this standard may be used, as far as applicable, in conjunction with the requirements of IEC 60884-1 or the national requirements of the country where the product is placed on the market.
NOTE 5 RCCBs incorporated in, or intended only for association with socket-outlets, can either meet IEC 62640 or this standard.
NOTE 6 In DK, plugs and socket-outlets shall be in accordance with the requirements of the heavy current regulations, section 107.
NOTE 7 In the UK, the plug part of an RCCB shall comply with BS 1363-1 and the socket-outlet part(s) of an RCCB should comply with BS 1363-2. In the UK, the plug part and the socket-outlet part(s) of an RCCB need not comply with any IEC 60884-1 requirements.
AMENDMENT 2 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules
AMENDMENT 1 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules
Amendment 2 Electrical accessories - Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules
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