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BS PD IEC/TR 61641:2014 gives guidance on the method of testing of ASSEMBLIES under conditionsof arcing in air due to an internal fault.

The purpose of this test is to assess the ability of the ASSEMBLY to limit the risk of personalinjury, damage of ASSEMBLIES and its suitability for further service as a result of an internalarcing fault.

The test procedure given in this technical report applies only:

• to enclosed, floor-standing or wall-mounted low-voltage switchgear and controlgearassemblies according to IEC 61439-2 (power switchgear and controlgear assemblies -PSC ASSEMBLIES);
  NOTE This technical report can be used as a reference for arc fault tests of other products, but adaptations of thetest procedures and acceptance criteria can apply taking into account the specifics of such other ASSEMBLIES orproducts.
• to situations when doors and covers of the ASSEMBLY are closed and correctly secured.

When tests under different or more severe conditions are agreed between the user and themanufacturer, this technical report can be used as a guide.

The test procedure given in this technical report takes into consideration:

• the effects of the internal overpressure acting on covers, doors, etc.;
• the thermal effects of the arc or its roots on the enclosures and of ejected hot gases andglowing particles.

The test procedure given in this technical report does not cover:

• other effects which can constitute a risk, such as toxic gases and loud noises;
• conditions during maintenance work, open doors or similar;
• access to the top and bottom of the ASSEMBLY.

This is a voluntary test made at the discretion of the manufacturer.

Cross References:
IEC 60529:1989
IEC 60529:1989/A1:1999
IEC 60529:1989/A2:2013
IEC 61439-1:2011
IEC 61439-2:2011
IEC/TR 61439-0:2013
EN 50110

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:

06/30/2015

ISBN(s):

9780580906220

Number of Pages:

28

File Size:

1 file , 1.2 MB

Product Code(s):

30325670, 30325670, 30325670