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EVS-EN IEC 60934:2019

Seadmete kaitselülitid

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Kehtiv alates 01.10.2019
Alusdokumendid
IEC 60934:2019; EN IEC 60934:2019
Direktiivid või määrused
2014/35/EU Madalpinge

Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
01.10.2019
Põhitekst
06.05.2013
Muudatus
04.05.2007
Muudatus
01.01.2003
Põhitekst
This document is applicable to mechanical switching devices designed as "circuit-breakers for equipment" (CBE) for household and similar applications. CBEs according to this document are intended to provide protection to circuits within electrical equipment including its
components (e.g. motors, transformers, internal wiring). This document covers also CBEs
applicable for protection of electrical equipment in case of undervoltage and/or overvoltage.
This document also covers CBEs which are suitable for isolation.
NOTE The term "equipment" includes appliances.
CBEs are not applicable for overcurrent protection of wiring installations of buildings.
CBEs according to this document have:
– a rated voltage not exceeding 440 V AC (between phases) and/or DC not exceeding 250 V;
– a rated current not exceeding 125 A;
– a short-circuit capacity (Icn) of at least 6 × In (AC types) and 4 × In (DC types) but not exceeding 3 000 A.
CBEs may have a conditional short-circuit current (Inc) rating in association with a specified short-circuit protective device (SCPD). A guide for coordination of a CBE associated in the same circuit with a SCPD is given in Annex F.
For CBEs having a degree of protection higher than IP20 according to IEC 60529, for use in locations where hazardous environmental conditions prevail (e.g. excessive humidity, heat or cold or deposition of dust) and in hazardous locations (e.g. where explosions are liable to
occur), special constructions may be required.
This document contains all the requirements necessary to ensure compliance with the operational characteristics required for these devices by type tests. It also contains the details relative to test requirements and methods of testing necessary to ensure reproducibility of test results.

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