IEC TR 60890:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
15-07-1987
12-09-2022
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Superseded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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