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NEK IEC 61009-2-1:2024

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IEC 61009-2-1:2024 applies to residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (hereafter referred to as RCBOs), classified according to IEC 61009-1:2024, 4.1.1. RCBOs according to this document are intended for voltages not exceeding 440 V AC with frequencies of 50 Hz, 60 Hz or 50/60 Hz and currents not exceeding 125 A and rated short‑circuit capacities not exceeding 25 000 A for operation at 50 Hz or 60 Hz.This second edition cancels and replaces the first edition published in 1991. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:a) harmonization of all clauses between the IEC 61008, IEC 61009 and IEC 60755 series using blocks and modules approach;b) harmonization of all tables and figures between the IEC 61008, IEC 61009 and IEC 60755 series;c) terms and definitions are now referred to IEC 62873-2;d) modification of Subclause 4.1 for classification according to supply conditions;e) specific tests for operating characteristics (9.9) of RCBO according to classification 4.1.1;f) specific test conditions for temperature-rise (9.8), verification of trip-free (9.15), surge current tests (9.19), reliability (9.20) and ageing (9.21).

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  • Standard fra NEK
  • Publisert:
  • Utgave: 2.0
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 29.120.50
  • National Committee NEK/NK23E

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