IEC TR 60890:1987
A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 02 Jan 2026 |
|---|---|
| Edition | 1987 |
| No. of Pages | 49 |
| ICS Classification | 29.130.20 Low voltage switchgear and controlgear |
| Committee | TC 121/SC 121B |
| Available for Purchase | For sale in Singapore only |
| Adoption | IEC : 0 |