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sklademVydáno: 1994-07-15
BS 7767:1994
Method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA)
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| Označení normy: | BS 7767:1994 |
| Počet stran: | 10 |
| Vydáno: | 1994-07-15 |
| ISBN: | 0 580 23199 2 |
| Status: | Standard |
Popis
BS 7767:1994
This standard BS 7767:1994 Method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA) is classified in these ICS categories:
- 29.130.20 Low voltage switchgear and controlgear
This Technical Report describes an extrapolation method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA).
Method of extrapolation which may be used for partially type-tested assemblies to prove compliance with the requirements of 7.5.1 of IEC 60439-1.