IEC 60670-1-ed.3.0-RLV

Podrobné informácie

Označenie: IEC 60670-1-ed.3.0-RLV

Dátum vydania: 09.12.2024

Stránok: 215

Krajina: Medzinárodná technická norma

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Anotácia

IEC 60670-1:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60670-1:2024 applies to boxes, enclosures and parts of enclosures (hereafter called "boxes" and "enclosures") for electrical accessories with a rated voltage not exceeding 1 000 V AC and 1 500 V DC intended for household or similar fixed electrical installations, either indoors or outdoors. Boxes and enclosures complying with this document are suitable for use at ambient temperatures not normally exceeding +40 °C, but their average over a period of 24 h does not exceed +35 °C, with a lower limit of the ambient air temperature of -5 °C. Other temperatures outside the above range can apply according to the classification of the boxes and the enclosures. This document is intended to apply to boxes and enclosures for electrical accessories within the scope of IEC technical committee 23. This third edition cancels and replaces the second edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the classifications, markings and tests of boxes and enclosures for use and installation in ambient temperature below normal use are modified; b) the test for the durability of markings is modified; c) a test is added for fixing screws protected by caps; d) a normative annex is added to specify the tests applied to boxes and enclosures declared with an IK code; e) requirements for the resistance to abnormal heat and fire of internal parts not necessary to retain current carrying parts are specified.