{"id":6508,"date":"2023-04-26T14:56:00","date_gmt":"2023-04-26T06:56:00","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=6508"},"modified":"2023-05-24T14:29:48","modified_gmt":"2023-05-24T06:29:48","slug":"the-understanding-of-circuit-breakers","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/","title":{"rendered":"Em um circuito el\u00e9trico, o que \u00e9 um disjuntor usado para proteger?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar \u00edndice de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/#What_Is_An_Electrical_Circuit\" title=\"O que \u00e9 um circuito el\u00e9trico?\">O que \u00e9 um circuito el\u00e9trico?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/#What_Is_Circuit_Protection\" title=\"O que \u00e9 prote\u00e7\u00e3o de circuito?\">O que \u00e9 prote\u00e7\u00e3o de circuito?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/#What_Are_Circuit_Protection_Devices\" title=\"O que s\u00e3o dispositivos de prote\u00e7\u00e3o de circuito?\">O que s\u00e3o dispositivos de prote\u00e7\u00e3o de circuito?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/#What_Is_A_Circuit_Breaker_Used_to_Protect\" title=\"O que \u00e9 um disjuntor usado para proteger?\">O que \u00e9 um disjuntor usado para proteger?<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>A <a href=\"https:\/\/www.tosunlux.eu\/pt\/category\/mcb\/\" target=\"_blank\" rel=\"noreferrer noopener\">disjuntor<\/a>r \u00e9 o componente mais importante de um circuito el\u00e9trico. \u00c9 um dispositivo projetado para monitorar e cortar o fluxo de energia para um circuito quando ele fica sobrecarregado.&nbsp;<\/p>\n\n\n\n<p>Se voc\u00ea j\u00e1 acidentalmente ligou uma tomada ou apertou um bot\u00e3o, sabe como isso pode ser perigoso. Felizmente, os disjuntores s\u00e3o projetados para interromper o fluxo el\u00e9trico em um circuito antes que ele atinja um n\u00edvel perigoso.<\/p>\n\n\n\n<p>Cada circuito tem um disjuntor para medidas de seguran\u00e7a. O principal objetivo de um disjuntor \u00e9 evitar qualquer acidente de uso de falha e sobrecarga.&nbsp;<\/p>\n\n\n\n<p>Se voc\u00ea quiser saber mais sobre um circuito e um disjuntor, siga este guia. Neste artigo, o que \u00e9 um disjuntor usado para proteger um circuito el\u00e9trico?<\/p>\n\n\n\n<h2 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_An_Electrical_Circuit\"><\/span><strong>O que \u00e9 um circuito el\u00e9trico?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Quando a eletricidade passa por um circuito, ela cria um caminho fechado que produz uma corrente el\u00e9trica. Um circuito \u00e9 o que torna poss\u00edveis as maravilhas modernas, como luzes el\u00e9tricas, computadores e motores.&nbsp;<\/p>\n\n\n\n<p>Esses sistemas combinam uma fonte de energia el\u00e9trica com um dispositivo ou circuito fechado de material condutor para criar um sistema funcional. Veja um exemplo: seu computador come\u00e7a a funcionar quando voc\u00ea o conecta a um circuito el\u00e9trico.<\/p>\n\n\n\n<p>Um circuito cont\u00e9m muitos componentes. Ele vem com um interruptor, tomada e disjuntor. Os interruptores usados em sistemas el\u00e9tricos dom\u00e9sticos controlam o fluxo de eletricidade em um circuito. Junto com isso, h\u00e1 um disjuntor no circuito que interrompe o fornecimento de eletricidade quando h\u00e1 uma oscila\u00e7\u00e3o de energia.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.tosunlux.eu\/pt\/products\/tsn3-32-miniature-circuit-breaker\/\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32-1024x1024.jpg\" alt=\"TSN3-32\" class=\"wp-image-2310\" width=\"363\" height=\"363\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/05\/TSN3-32.jpg 1600w\" sizes=\"(max-width: 363px) 100vw, 363px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Circuit_Protection\"><\/span><strong>O que \u00e9 prote\u00e7\u00e3o de circuito?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>O principal objetivo da prote\u00e7\u00e3o do circuito \u00e9 evitar o fluxo excessivo de corrente em um circuito el\u00e9trico. O fluxo excessivo de el\u00e9trons pode danificar o isolamento do fio e os materiais circundantes.&nbsp;<\/p>\n\n\n\n<p>Cada fio tem uma classifica\u00e7\u00e3o de amperagem e uma queda de tens\u00e3o. Esses par\u00e2metros ajudam a determinar o tamanho apropriado de um fio e o m\u00e9todo correto de instala\u00e7\u00e3o. Se voc\u00ea planeja usar um disjuntor, \u00e9 importante entender a queda de tens\u00e3o e as classifica\u00e7\u00f5es de amperagem de diferentes tipos de circuitos el\u00e9tricos.<\/p>\n\n\n\n<p>Felizmente, existem v\u00e1rios tipos diferentes de prote\u00e7\u00e3o de circuito. Os mais comuns s\u00e3o fus\u00edveis e disjuntores. Fus\u00edveis e disjuntores eletromec\u00e2nicos t\u00eam fun\u00e7\u00f5es diferentes e respondem \u00e0 corrente de falha de maneiras diferentes.&nbsp;<\/p>\n\n\n\n<p>Ambos os dispositivos destinam-se a isolar a corrente de falha e minimizar a perda de energia. Esses dispositivos s\u00e3o uma parte cr\u00edtica de qualquer edif\u00edcio e s\u00e3o necess\u00e1rios para a seguran\u00e7a do seu edif\u00edcio. Os objetivos b\u00e1sicos de qualquer prote\u00e7\u00e3o de circuito s\u00e3o proteger o edif\u00edcio contra perda de energia desnecess\u00e1ria e localizar a fonte de uma falha.<\/p>\n\n\n\n<h2 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_Circuit_Protection_Devices\"><\/span><strong>O que s\u00e3o dispositivos de prote\u00e7\u00e3o de circuito?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dispositivos de prote\u00e7\u00e3o de circuito s\u00e3o necess\u00e1rios para evitar que altas correntes de falha fluam atrav\u00e9s de circuitos el\u00e9tricos. Eles protegem os consumidores e a instala\u00e7\u00e3o contra danos.&nbsp;<\/p>\n\n\n\n<p>Fus\u00edveis e disjuntores fornecem prote\u00e7\u00e3o contra sobrecorrente. Eles funcionam interrompendo o fluxo de eletricidade em um circuito quando o limite \u00e9 excedido.&nbsp;<\/p>\n\n\n\n<p>As condi\u00e7\u00f5es de sobrecarga e curto-circuito s\u00e3o resultados de circuitos sobrecarregados e subalimentados. As sobrecargas podem ocorrer porque muitos itens est\u00e3o conectados a um circuito ou porque um circuito \u00e9 muito pequeno para lidar com a quantidade de corrente.<\/p>\n\n\n\n<p>Um dispositivo de prote\u00e7\u00e3o de circuito operado manualmente \u00e9 um disjuntor. Este tipo de dispositivo possui uma alavanca que aciona manualmente os disjuntores. A alavanca geralmente est\u00e1 travada na posi\u00e7\u00e3o \u201cligada\u201d, mas a maioria dos disjuntores pode disparar mesmo quando a alavanca est\u00e1 travada na posi\u00e7\u00e3o \u201cdesligada\u201d.&nbsp;<\/p>\n\n\n\n<p>Ele funciona for\u00e7ando os contatos juntos ou separados. Quando os contatos se tocam, eles permitem corrente e quebram quando s\u00e3o separados. Alguns modelos possuem um parafuso de calibra\u00e7\u00e3o que permite ao fabricante controlar a corrente de disparo.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Disjuntor explicado | Princ\u00edpio de trabalho\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/SNBfppriDjc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"has-medium-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_A_Circuit_Breaker_Used_to_Protect\"><\/span><strong>O que \u00e9 um disjuntor usado para proteger?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um disjuntor \u00e9 um dispositivo que protege os dispositivos el\u00e9tricos contra superaquecimento. Um aquecedor de ambiente, por exemplo, pode sobrecarregar um circuito, fazendo com que ele carregue mais amperagem do que a nominal do equipamento.&nbsp;<\/p>\n\n\n\n<p>Isso pode levar a um inc\u00eandio. Um disjuntor pode impedir que isso aconte\u00e7a, detectando quando a temperatura est\u00e1 muito alta e entrando em a\u00e7\u00e3o.&nbsp;<\/p>\n\n\n\n<p>Os disjuntores v\u00eam em tamanhos diferentes, com os pequenos unipolares usados para eletrodom\u00e9sticos menores e os grandes bipolares usados para proteger linhas de energia de alta tens\u00e3o.&nbsp;<\/p>\n\n\n\n<p>Os disjuntores unipolares protegem os circuitos de baixa corrente, que s\u00e3o mais comuns em resid\u00eancias sem aquecimento. Prote\u00e7\u00e3o contra sobrecorrente, disjuntores de dispositivos tamb\u00e9m s\u00e3o usados para proteger grandes dispositivos el\u00e9tricos, incluindo motores, eletr\u00f4nicos e transformadores.<\/p>\n\n\n\n<p>Um disjuntor \u00e9 um dispositivo que detecta uma falha na corrente el\u00e9trica e a desliga. \u00c9 importante usar disjuntores para evitar surtos de eletricidade, que podem danificar tomadas e aparelhos. Em alguns casos, muita corrente pode iniciar um inc\u00eandio. Nesses casos, os cabos danificados podem provocar fa\u00edscas em madeira e outros materiais. Se isso acontecer, pode inflamar.<\/p>\n\n\n\n<p>Um disjuntor tamb\u00e9m pode proteger sua casa contra picos de energia. Um surto el\u00e9trico pode causar a quebra do equipamento. Uma sobrecarga el\u00e9trica pode causar muitos danos \u00e0 sua casa. Um bom disjuntor proteger\u00e1 sua casa de tal problema. Se voc\u00ea est\u00e1 preocupado com sua casa, considere instalar um desses dispositivos para mant\u00ea-la segura. Se voc\u00ea est\u00e1 procurando uma maneira de proteger sua fam\u00edlia de quedas de energia, um disjuntor ser\u00e1 sua melhor op\u00e7\u00e3o.<\/p>\n\n\n\n<p>Al\u00e9m de proteger sua casa, um disjuntor tamb\u00e9m protege sua casa contra inc\u00eandios. Se uma sobrecarga for muito alta, o fio pode aquecer e o isolamento pode derreter, permitindo que a corrente escape. Se isso acontecer, o disjuntor desarmar\u00e1 e interromper\u00e1 o fluxo de energia e impedir\u00e1 que isso aconte\u00e7a. Um disjuntor evitar\u00e1 que a eletricidade danifique sua casa.<\/p>\n\n\n\n<p>Um disjuntor \u00e9 um dispositivo usado para interromper o fluxo de corrente el\u00e9trica. Esses dispositivos s\u00e3o usados para proteger equipamentos el\u00e9tricos de situa\u00e7\u00f5es perigosas. Eles tamb\u00e9m podem proteger circuitos de medi\u00e7\u00e3o que usam transformadores de corrente.&nbsp;<\/p>\n\n\n\n<p>Um disjuntor tem duas fun\u00e7\u00f5es principais. Interrompe o fluxo de eletricidade quando ocorre uma falha. Sua fun\u00e7\u00e3o principal \u00e9 interromper o fluxo de energia el\u00e9trica quando ocorre uma falha. Se a falha for muito grave, ela desarmar\u00e1 o disjuntor e interromper\u00e1 o fluxo de eletricidade. Em seguida, o disjuntor desligar\u00e1 a energia el\u00e9trica e manter\u00e1 o sistema el\u00e9trico seguro.<\/p>\n\n\n\n<p>Se voc\u00ea quer saber mais sobre <a href=\"https:\/\/www.psicontrolsolutions.com\/blog\/function-circuit-breaker\/\" target=\"_blank\" rel=\"noreferrer noopener\">a fun\u00e7\u00e3o de um disjuntor,<\/a> por favor, clique aqui.<\/p>","protected":false},"excerpt":{"rendered":"<p> Descubra a import\u00e2ncia dos dispositivos de prote\u00e7\u00e3o do circuito na preven\u00e7\u00e3o de danos aos equipamentos el\u00e9tricos e na garantia da seguran\u00e7a de sua casa ou pr\u00e9dio.<\/p>","protected":false},"author":1,"featured_media":6704,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-6508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Understanding Circuit Breakers: What Are They Used to Protect?<\/title>\n<meta name=\"description\" content=\"Learn how circuit breakers work to protect electrical circuits from dangerous situations such as overloading, overheating, and power surges.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding Circuit Breakers: What Are They Used to Protect?\" \/>\n<meta property=\"og:description\" content=\"Learn how circuit breakers work to protect electrical circuits from dangerous situations such as overloading, overheating, and power surges.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tosunlux.eu\/pt\/blog\/the-understanding-of-circuit-breakers\/\" \/>\n<meta property=\"og:site_name\" content=\"TOSUNlux Official Site - 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