IEC TR 60890:1987
Superseded
View Superseded by
A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
Hardcopy , PDF
07-15-1987
09-12-2022
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.
| Committee |
TC 121/SC 121B
|
| DocumentType |
Technical Report
|
| Pages |
60
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| AS 4388-1996 | Identical |
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