{"id":842,"date":"2023-12-18T15:07:02","date_gmt":"2023-12-18T07:07:02","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&#038;p=842"},"modified":"2024-09-05T16:32:09","modified_gmt":"2024-09-05T08:32:09","slug":"standards-for-low-voltage-surge-protective-devices-components","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/pt\/blog\/standards-for-low-voltage-surge-protective-devices-components\/","title":{"rendered":"Padr\u00f5es para componentes de dispositivos de prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o"},"content":{"rendered":"<strong>CEI 61643-311:2013\u00a0<\/strong>\r\n<strong>Componentes para dispositivos de prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o \u2013 Parte 311: Requisitos de desempenho e circuitos de teste para tubos de descarga de g\u00e1s (GDT)<\/strong>\r\n\r\nA IEC 61643-311:2013 \u00e9 aplic\u00e1vel a tubos de descarga de g\u00e1s (GDT) usados \u200b\u200bpara prote\u00e7\u00e3o contra sobretens\u00e3o em redes de telecomunica\u00e7\u00f5es, sinaliza\u00e7\u00e3o e distribui\u00e7\u00e3o de energia de baixa tens\u00e3o com tens\u00f5es nominais de sistema de at\u00e9 1.000 V (r.m.s.) a.c. e 1 500 V c.c.. S\u00e3o definidos como um v\u00e3o, ou v\u00e1rios v\u00e3os com dois ou tr\u00eas eletrodos met\u00e1licos hermeticamente selados para que a mistura de gases e a press\u00e3o estejam sob controle. Eles s\u00e3o projetados para proteger aparelhos ou pessoas, ou ambos, contra altas tens\u00f5es transit\u00f3rias. EsseA norma cont\u00e9m uma s\u00e9rie de crit\u00e9rios de teste, m\u00e9todos de teste e circuitos de teste para determinar as caracter\u00edsticas el\u00e9tricas de GDTs com dois ou tr\u00eas eletrodos. Esta norma n\u00e3o especifica requisitos aplic\u00e1veis \u200b\u200ba dispositivos completos de prote\u00e7\u00e3o contra surtos, nem especifica requisitos totais para GDTs empregados em dispositivos eletr\u00f4nicos, onde a coordena\u00e7\u00e3o precisa entre o desempenho do GDT e a capacidade de resist\u00eancia do dispositivo de prote\u00e7\u00e3o contra surtos \u00e9 altamente cr\u00edtica. Esta segunda edi\u00e7\u00e3o da IEC 61643-311cancela e substitui a primeira edi\u00e7\u00e3o publicada em 2001. Constitui uma revis\u00e3o t\u00e9cnica. As altera\u00e7\u00f5es espec\u00edficas em rela\u00e7\u00e3o \u00e0 edi\u00e7\u00e3o anterior s\u00e3o: Acr\u00e9scimo de valores de desempenho. Palavras-chave: tubos de descarga de g\u00e1s (GDT), prote\u00e7\u00e3o contra sobretens\u00f5es em telecomunica\u00e7\u00f5es, sinaliza\u00e7\u00e3o e redes de distribui\u00e7\u00e3o de energia de baixa tens\u00e3o, tens\u00f5es nominais de sistemas at\u00e9 1 000 V (r.m.s.) a.c. e 1.500 V CC.\r\n\r\n<strong>CEI 61643-312:2013\u00a0<\/strong>\r\n<strong>Componentes para dispositivos de prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o \u2013 Parte 312: Princ\u00edpios de sele\u00e7\u00e3o e aplica\u00e7\u00e3o para tubos de descarga de g\u00e1s<\/strong>\r\n\r\nA IEC 61643-312:2013 \u00e9 aplic\u00e1vel a tubos de descarga de g\u00e1s (GDT) usados \u200b\u200bpara prote\u00e7\u00e3o contra sobretens\u00e3o em redes de telecomunica\u00e7\u00f5es, sinaliza\u00e7\u00e3o e distribui\u00e7\u00e3o de energia de baixa tens\u00e3o com tens\u00f5es nominais de sistema de at\u00e9 1.000 V (r.m.s.) a.c. e 1.500 V CC. Eles s\u00e3o definidos como uma lacuna, ou v\u00e1rias lacunas com dois ou tr\u00eas eletrodos met\u00e1licos hermeticamente selados para que a mistura de gases e a press\u00e3o estejam sob controle. Eles s\u00e3o projetados para proteger aparelhos ou pessoas, ou ambos, contra altas tens\u00f5es transit\u00f3rias. EsseA norma fornece informa\u00e7\u00f5es sobre as caracter\u00edsticas e aplica\u00e7\u00f5es de circuito de GDTs com dois ou tr\u00eas eletrodos. Esta norma n\u00e3o especifica requisitos aplic\u00e1veis \u200b\u200ba dispositivos completos de prote\u00e7\u00e3o contra surtos, nem especifica requisitos totais para GDTs empregados em dispositivos eletr\u00f4nicos, onde a coordena\u00e7\u00e3o precisa entre o desempenho do GDT e a capacidade de resist\u00eancia do dispositivo de prote\u00e7\u00e3o contra surtos \u00e9 altamente cr\u00edtica. Palavras-chave: tubos de descarga de g\u00e1s (GDT), prote\u00e7\u00e3o contra sobretens\u00e3o em telecomunica\u00e7\u00f5es,redes de sinaliza\u00e7\u00e3o e distribui\u00e7\u00e3o de energia de baixa tens\u00e3o, tens\u00f5es nominais do sistema at\u00e9 1 000 V (r.m.s.) a.c. e 1.500 V CC.\r\n\r\n<strong>CEI 61643-321:2001\u00a0<\/strong>\r\n<strong>Componentes para dispositivos de prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o \u2013 Parte 321: Especifica\u00e7\u00f5es para diodo de ruptura de avalanche (ABD)<\/strong>\r\n\r\n\u00c9 aplic\u00e1vel a diodos de ruptura de avalanche (ABDs), que representam um tipo de componente de dispositivo de prote\u00e7\u00e3o contra surtos (doravante denominado SPDC) usado no projeto e constru\u00e7\u00e3o de dispositivos de prote\u00e7\u00e3o contra surtos conectados a sistemas de distribui\u00e7\u00e3o de energia de baixa tens\u00e3o, transmiss\u00e3o e redes de sinaliza\u00e7\u00e3o. As especifica\u00e7\u00f5es de teste nesta norma s\u00e3o para ABDs simples que consistem em dois terminais. No entanto, v\u00e1rios ABDs podem ser montados dentro de um \u00fanico pacote definido como um conjunto de diodos. Cada diodo dentro doarray pode ser testado com esta especifica\u00e7\u00e3o. Esta norma cont\u00e9m uma s\u00e9rie de crit\u00e9rios de teste para determinar as caracter\u00edsticas el\u00e9tricas do ABD. A partir dos m\u00e9todos de teste padr\u00e3o descritos neste documento, as caracter\u00edsticas e classifica\u00e7\u00f5es de desempenho do ABD podem ser verificadas ou estabelecidas para projetos de embalagens espec\u00edficas.\r\n\r\n<strong>CEI 61643-331:2020\u00a0<\/strong>\r\n<strong>Componentes para prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o \u2013 Parte 331: Requisitos de desempenho e m\u00e9todos de teste para varistores de \u00f3xido met\u00e1lico (MOV)<\/strong>\r\n\r\nIEC 61643-331:2020 is available as\u00a0IEC 61643-331:2020 RLV\u00a0which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.\r\n\r\nIEC 61643-331:2020 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power lines, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient voltages. This document applies to MOVs having two electrodes and hybrid surge protection components. This document also does not apply to mountings and their effect on the MOV\u2019s characteristics. Characteristics given apply solely to the MOV mounted only in the ways described for the tests. This third edition cancels and replaces the second edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:\r\n\u2013 a Varistor MCOV rating assurance test;\r\n\u2013 an energy rating test (2ms);\r\n\u2013 revised Dielectric strength and insulation resistance tests.\r\n\r\n<strong>CEI 61643-341:2020\u00a0<\/strong>\r\n<strong>Componentes para prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o \u2013 Parte 341: Requisitos de desempenho e circuitos de teste para supressores de surto de tiristores (TSS)<\/strong>\r\n\r\nIEC 61643-341:2020 specifies standard test circuits and methods for thyristor surge suppressor (TSS) components. These surge protective components, SPCs, are specially formulated thyristors designed to limit overvoltages and divert surge currents by clamping and switching actions. These SPCs are used in the construction of surge protective devices (SPDs) and equipment used in Information &amp; Communications Technologies (ICT) networks with voltages up to AC 1 000 V and DC 1 500 V. This document is applicable to gated or non-gated TSS components with third quadrant (-v and \u2013i) characteristics of blocking, conducting or switching. This document contains information on\r\n\u2013 terminology;\r\n\u2013 letter symbols;\r\n\u2013 essential ratings and characteristics;\r\n\u2013 rating verification and characteristic measurement;\r\nThis document does not apply to the conventional three-terminal thyristors as covered by IEC 60747-6. This second edition of IEC 61643-341 cancels and replaces the first edition published in 2001. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: Addition of performance values.\r\n\r\n<strong>CEI 61643-351:2016\u00a0<\/strong>\r\n<strong>Componentes para dispositivos de prote\u00e7\u00e3o contra surtos de baixa tens\u00e3o - Parte 351: Requisitos de desempenho e m\u00e9todos de teste para transformadores de isolamento contra surtos de rede de telecomunica\u00e7\u00f5es e sinaliza\u00e7\u00e3o (SIT)<\/strong>\r\n\r\nA IEC 61643-351:2016 define circuitos de teste e m\u00e9todos de teste para determinar e verificar os par\u00e2metros de surto SIT. S\u00e3o fornecidos valores de desempenho preferenciais para par\u00e2metros-chave. Os transformadores de isolamento de surto (SITs) s\u00e3o usados \u200b\u200bpara aplica\u00e7\u00f5es de transformadores de sinal com n\u00edveis de sinal de at\u00e9 400 V pico a pico. SITs s\u00e3o transformadores, com ou sem blindagem de enrolamento interno, com tens\u00e3o nominal suport\u00e1vel de impulso maior que a tens\u00e3o de pico do ambiente de surto de modo comum esperado. SITs s\u00e3oaplic\u00e1vel a componentes para prote\u00e7\u00e3o contra surtos contra efeitos indiretos e diretos de raios ou outras sobretens\u00f5es transit\u00f3rias. SITs s\u00e3o usados \u200b\u200bpara mitigar a propaga\u00e7\u00e3o de surtos de tens\u00e3o de modo comum. Esta parte da IEC 61643 n\u00e3o cobre a opera\u00e7\u00e3o SIT sob condi\u00e7\u00f5es de surtos de raios em modo diferencial. Palavras-chave: Transformadores de isolamento de surto (SITs)","protected":false},"featured_media":843,"parent":0,"menu_order":156,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-842","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"Components for low-voltage surge protective devices \u2013 Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)","txt":"<strong>IEC 61643-311:2013\u00a0<\/strong>\r\n<strong>Components for low-voltage surge protective devices \u2013 Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)<\/strong>\r\n\r\nIEC 61643-311:2013 is applicable to gas discharge tubes (GDT) used for overvoltage protection in telecommunications, signalling and low-voltage power distribution networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c..They are defined as a gap, or several gaps with two or three metal electrodes hermetically sealed so that gas mixture and pressure are under control. They are designed to protect apparatus or personnel, or both, from high transient voltages. This standard contains a series of test criteria, test methods and test circuits for determining the electrical characteristics of GDTs having two or three electrodes. This standard does not specify requirements applicable to complete surge protective devices, nor does it specify total requirements for GDTs employed within electronic devices, where precise coordination between GDT performance and surge protective device withstand capability is highly critical. This second edition of IEC 61643-311 cancels and replaces the first edition published in 2001. It constitutes a technical revision. Specific changes with respect to the previous edition are: Addition of performance values. Key words: gas discharge tubes (GDT), overvoltage protection in telecommunications, signalling and low-voltage power distribution networks, nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.\r\n\r\n<strong>IEC 61643-312:2013\u00a0<\/strong>\r\n<strong>Components for low-voltage surge protective devices \u2013 Part 312: Selection and application principles for gas discharge tubes<\/strong>\r\n\r\nIEC 61643-312:2013 is applicable to gas discharge tubes (GDT) used for overvoltage protection in telecommunications, signalling and low-voltage power distribution networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. They are defined as a gap, or several gaps with two or three metal electrodes hermetically sealed so that gas mixture and pressure are under control. They are designed to protect apparatus or personnel, or both, from high transient voltages. This standard provides information about the characteristics and circuit applications of GDTs having two or three electrodes. This standard does not specify requirements applicable to complete surge protective devices, nor does it specify total requirements for GDTs employed within electronic devices, where precise coordination between GDT performance and surge protective device withstand capability is highly critical. Keywords: gas discharge tubes (GDT), overvoltage protection in telecommunications, signalling and low-voltage power distribution networks, nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.\r\n\r\n<strong>IEC 61643-321:2001\u00a0<\/strong>\r\n<strong>Components for low-voltage surge protective devices \u2013 Part 321: Specifications for avalanche breakdown diode (ABD)<\/strong>\r\n\r\nIs applicable to avalanche breakdown diodes (ABDs) which represent one type of surge protective device component (hereinafter referred to as SPDC) used in the design and construction of surge protective devices connected to low-voltage power distribution systems, transmission, and signalling networks. Test specifications in this standard are for single ABDs consisting of two terminals. However, multiple ABDs may be assembled within a single package defined as a diode array. Each diode within the array can be tested to this specification. This standard contains a series of test criteria for determining the electrical characteristics of the ABD. From the standard test methods described herein, the performance characteristics and ratings of the ABD can be verified or established for specific packaged designs.\r\n\r\n<strong>IEC 61643-331:2020\u00a0<\/strong>\r\n<strong>Components for low-voltage surge protection \u2013 Part 331: Performance requirements and test methods for metal oxide varistors (MOV)<\/strong>\r\n\r\nIEC 61643-331:2020 is available as\u00a0IEC 61643-331:2020 RLV\u00a0which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.\r\n\r\nIEC 61643-331:2020 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power lines, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient voltages. This document applies to MOVs having two electrodes and hybrid surge protection components. This document also does not apply to mountings and their effect on the MOV\u2019s characteristics. Characteristics given apply solely to the MOV mounted only in the ways described for the tests. This third edition cancels and replaces the second edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:\r\n\u2013 a Varistor MCOV rating assurance test;\r\n\u2013 an energy rating test (2ms);\r\n\u2013 revised Dielectric strength and insulation resistance tests.\r\n\r\n<strong>IEC 61643-341:2020\u00a0<\/strong>\r\n<strong>Components for low-voltage surge protection \u2013 Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)<\/strong>\r\n\r\nIEC 61643-341:2020 specifies standard test circuits and methods for thyristor surge suppressor (TSS) components. These surge protective components, SPCs, are specially formulated thyristors designed to limit overvoltages and divert surge currents by clamping and switching actions. These SPCs are used in the construction of surge protective devices (SPDs) and equipment used in Information &amp; Communications Technologies (ICT) networks with voltages up to AC 1 000 V and DC 1 500 V. This document is applicable to gated or non-gated TSS components with third quadrant (-v and \u2013i) characteristics of blocking, conducting or switching. This document contains information on\r\n\u2013 terminology;\r\n\u2013 letter symbols;\r\n\u2013 essential ratings and characteristics;\r\n\u2013 rating verification and characteristic measurement;\r\nThis document does not apply to the conventional three-terminal thyristors as covered by IEC 60747-6. This second edition of IEC 61643-341 cancels and replaces the first edition published in 2001. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: Addition of performance values.\r\n\r\n<strong>IEC 61643-351:2016\u00a0<\/strong>\r\n<strong>Components for low-voltage surge protective devices \u2013 Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)<\/strong>\r\n\r\nIEC 61643-351:2016 defines test circuits and test methods for determining and verifying the SIT surge parameters. Preferred performance values for key parameters are given. Surge isolation transformers (SITs) are used for signal transformer applications with signal levels up to 400 V peak to peak. SITs are transformers, with or without an internal-winding screen, with a rated impulse withstand voltage greater than the peak voltage of the expected common-mode surge environment. SITs are applicable to components for surge protection against indirect and direct effects of lightning or other transient overvoltage. SITs are used to mitigate the onward propagation of common-mode voltage surges. This part of IEC 61643 does not cover SIT operation under differential-mode lightning surge conditions. Keywords: Surge isolation transformers (SITs)"},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/pt\/wp-json\/wp\/v2\/blog\/842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/pt\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/pt\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/pt\/wp-json\/wp\/v2\/media\/843"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/pt\/wp-json\/wp\/v2\/media?parent=842"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/pt\/wp-json\/wp\/v2\/blog_category?post=842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}