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A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
Amended by: IEC TR 60890:1987/AMD1:1995
Available format(s): Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users
Superseded date: 12-09-2022
Language(s):
Published date: 15-07-1987
Publisher: International Electrotechnical Committee
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.
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