In this paper special requirements for spds, connected to 48 v dc power systems, are defined and described. Testing and measurement techniques surge immunity test 9 iec 6140024. Iecpas 600997 has been processed by iec technical committee 37. Surge protective devices connected to lowvoltage power systems requirements and test methods edition 1. Iec 60439, the standard for lowvoltage switchgear and controlgear assemblies, was under restructuring from the last decade. Iecen 6164311 international standard south east asia. Iec 61439 standard for low voltage switchgear and controlgear assemblies. A pas is a technical specification not fulfilling the requirements for a standard but made available to the public. The determination of the amount of charge transferred by a lightning stroke is a theoretical endeavor. This part of iec 61643 is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages.
Maximum residual voltage between the terminals of the protection device during the application of a peak current. Protection parameters according to iec 616431 transient. Performance requirements and testing methods this norm is. Asnz1768 voltage rise time, dvdt asnz1768 alarm and monitoring features user preference physical features.
This standard has brought considerable clarity in technical interpretation. Baixe no formato pdf, txt ou leia online no scribd. Surge protective devices connected to lowvoltage power systems are subjected to the requirements and test methods specified by the latest iecen 6164311 international standard. The iec standards which describe the requirements and the test conditions for surge protective devices iec 616431, iec 6164311 do not address spds connected to dc power systems. A true mark of quality is a product certification and approval from an independent testing institute. Please contact us for more information on how keystone compliance can assist you with identifying and fulfilling your iec 6164311 test lab needs. Risk assessment and evaluating the need for spds in lowvoltage systems, with reference to iecbs en 62305 lightning protection standard and iec 60364 electrical installations for buildings. Todos os direitos reservados iec particular requirements for isolating transformers for general use iec description of the environment. The main changes with respect of the second edition of iec 616431 are the complete restructuring and improvement of the test procedures and test sequences.
Iec 6164312 describes the selection and application principles of spds in practical situations. This was the aim of an international project group which had been working on a task named radical restructuring and revision of iec 60439 series since 1998. The new series of iec 61439 standards were published in january 2009. In january 2009 the iec 61439, the new standard for lowvoltage switchgear and controlgear assemblies, was published. Quem desejar conhecer mais sobre os dpss e como sao classificados em tipo, deve consultar a norma abnt nbr iec 616431. Iec 616431 asnz1768 maximum continuous operating voltage uc iec616431 ul1449 edition 3. Surge protective devices connected to lowvoltage power distribution systems requirements and. Keystone compliance assists manufacturers with iec 6164311 and en 6164311 test compliance. Surge protective devices connected to lowvoltage power systems.
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