AS 4388-1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
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08-01-2024
English
01-01-1996
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Provides a method to determine the temperature rise inside a low-voltage switchgear and controlgear assembly by extrapolation from data found by tests on other assemblies. This Standard is identical with and has been reproduced from IEC 890:1987, including the Corrigendum:1988 and Amendment 1:1995.
| Committee |
EL-006
|
| DocumentType |
Standard
|
| ISBN |
0 7337 0509 X
|
| Pages |
26
|
| PublisherName |
Standards Australia
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes | |
| UnderRevision |
The following method is applicable to enclosed PTTA or partitioned sections of PTTA without forced ventilation.Notes1. - The influence of the materials and wall thicknesses usually used for enclosures are negligible on the steady state temperatures. The method is therefore applicable to enclosures made of sheet steel, sheet aluminium, cast iron, insulating material and the like.2. - For open-type and dead-front PTTA, no temperature-rise assessment is needed if it is obvious that no excessive air temperatures are likely to arise.
| Standards | Relationship |
| IEC TR 60890:1987 | Identical |
| IEC TR 60890:1987/AMD1:1995 | Identical |
First published as AS 4388-1996.
| AS 3439.1-1993 | Low-voltage switchgear and controlgear assemblies Type-tested and partially type-tested assemblies |
| AS/NZS 3439.1:2002 | Low-voltage switchgear and controlgear assemblies Type-tested and partially type tested assemblies (IEC 60439-1:1999 MOD) |
| AS 62208-2006 | Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements |
| AS/NZS 4871.1:2010 | Electrical equipment for mines and quarries General requirements |
| AS/NZS 3439.3:2002 | Low-voltage switchgear and controlgear assemblies Particular requirements for low voltage switchgear and controlgear assemblies intended to be installed in places where unskilled persons have access for their use - Distribution boards (IEC 60439-3:1990 MOD) |
| AS/NZS 3000:2007 | Electrical installations (known as the Australian/New Zealand Wiring Rules) |
| AS/NZS 3000:2000 | Electrical installations (known as the Australian/New Zealand Wiring Rules) |
| AS/NZS 3439.1:2002 | Low-voltage switchgear and controlgear assemblies Type-tested and partially type tested assemblies (IEC 60439-1:1999 MOD) |
| HB 301-2001 | Electrical installations - Designing to the Wiring rules |
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