Superseded
Standard
Historical
IEC TR 60890:1987
IEC TR 60890:1987 A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
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Summary
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.
Notes
À remplacer par IEC 17D/490/DTR (2013-08).
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 07/15/1987 |
| Cancellation Date | 05/01/2014 |
| Edition | 1.0 |
| Page Count | 49 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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