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IEC/TR 60890 Ed. 1.0 Edition 07/1987
A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
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  • 145.5 / copy
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Abstract

The proposed method is applicable to enclosed PTTA or partitioned sections of PTTA without forced ventilation. It is intended to determine the temperature rise of the air inside the enclosure.

Status

Standard - Active

Origin

Technical Committee :
121B : Low-voltage switchgear and controlgear assemblies

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC/TR 60890 Ed.2.0

International Classification for Standards (ICS codes) :

29.130.20 : Low voltage switchgear and controlgear

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