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NEK IEC 61439-3:2012

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Merknad: Denne standarden har en ny utgave: NEK IEC 61439-3:2024

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IEC 61439-3:2012 defines the specific requirements for distribution boards intended to be operated by ordinary persons (DBO). DBOs have the following criteria:- intended to be operated by ordinary persons (e.g. switching operations and replacing fuse-links), e.g. in domestic (household) applications;- outgoing circuits contain protective devices, intended to be operated by ordinary persons, complying e.g. with IEC 60898-1, IEC 61008, IEC 61009, IEC 62423 and IEC 60269-3;- rated voltage to earth does not exceed 300 V a.c.;- rated current (Inc) of the outgoing circuits does not exceed 125 A and the rated current (InA) of the DBO does not exceed 250 A;- intended for the distribution of electrical energy;- enclosed, stationary;- for indoor or outdoor use.This first edition cancels and replaces the first edition of IEC 60439-3 (1990), Amendment 1 (1993) and Amendment 2 (2001). It constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 60439-3 (including the amendments):- alignment with IEC 61439-1:2011.This publication is to be read in conjunction with IEC 61439-1:2011. The contents of the corrigenda of September 2013 and March 2019 have been included in this copy.

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  • Standard fra NEK
  • Publisert:
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  • Utgave: 1.0
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 29.130.20
  • National Committee NEK/NK121

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