{"id":12609,"date":"2025-02-11T13:56:00","date_gmt":"2025-02-11T05:56:00","guid":{"rendered":"https:\/\/www.tosunlux.eu\/?p=12609"},"modified":"2025-02-16T13:13:20","modified_gmt":"2025-02-16T05:13:20","slug":"single-pole-vs-double-pole-breaker","status":"publish","type":"post","link":"https:\/\/www.tosunlux.eu\/pt\/blog\/single-pole-vs-double-pole-breaker\/","title":{"rendered":"Diferen\u00e7a entre disjuntor bipolar e unipolar: simplificado"},"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\/single-pole-vs-double-pole-breaker\/#Single_Pole_vs_Double_Pole_Breaker_Quick_Comparison_Table\" title=\"Disjuntor unipolar vs bipolar: tabela de compara\u00e7\u00e3o r\u00e1pida\">Disjuntor unipolar vs bipolar: tabela de compara\u00e7\u00e3o r\u00e1pida<\/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\/single-pole-vs-double-pole-breaker\/#How_Does_a_Single_Pole_Breaker_Work\" title=\"Como funciona um disjuntor unipolar?\">Como funciona um disjuntor unipolar?<\/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\/single-pole-vs-double-pole-breaker\/#Common_Applications_of_Single_Pole_Breakers\" title=\"Aplica\u00e7\u00f5es comuns de disjuntores unipolares\">Aplica\u00e7\u00f5es comuns de disjuntores unipolares<\/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\/single-pole-vs-double-pole-breaker\/#How_Does_a_Double_Pole_Breaker_Work\" title=\"Como funciona um disjuntor bipolar?\">Como funciona um disjuntor bipolar?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/single-pole-vs-double-pole-breaker\/#What_is_a_Double_Pole_20_Amp_Breaker_Used_For\" title=\"Para que serve um disjuntor bipolar de 20 A?\">Para que serve um disjuntor bipolar de 20 A?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/single-pole-vs-double-pole-breaker\/#Difference_Between_120V_and_240V_Breaker\" title=\"Diferen\u00e7a entre disjuntor de 120 V e 240 V\">Diferen\u00e7a entre disjuntor de 120 V e 240 V<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/single-pole-vs-double-pole-breaker\/#When_to_Use_a_Single_Pole_or_Double_Pole_Breaker\" title=\"Quando usar um disjuntor unipolar ou bipolar?\">Quando usar um disjuntor unipolar ou bipolar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.tosunlux.eu\/pt\/blog\/single-pole-vs-double-pole-breaker\/#Double_Pole_and_Single_Pole_Breaker_Conclusion\" title=\"Disjuntor bipolar e unipolar: Conclus\u00e3o\">Disjuntor bipolar e unipolar: Conclus\u00e3o<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>A principal diferen\u00e7a entre um disjuntor bipolar e um unipolar \u00e9 que o unipolar controla um circuito de 120 V, enquanto o bipolar controla um circuito de 240 V conectando-se a dois fios energizados.&nbsp;<\/p>\n\n\n\n<p>Os disjuntores bipolares lidam com mais energia e s\u00e3o usados para aparelhos maiores, enquanto os disjuntores unipolares s\u00e3o usados para tomadas e luzes dom\u00e9sticas comuns.<\/p>\n\n\n\n<p>Continue lendo para saber mais.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Single_Pole_vs_Double_Pole_Breaker_Quick_Comparison_Table\"><\/span>Disjuntor unipolar vs bipolar: tabela de compara\u00e7\u00e3o r\u00e1pida<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Recurso<\/strong><\/td><td><strong>Disjuntor unipolar<\/strong><\/td><td><strong>Disjuntor Bipolar<\/strong><\/td><\/tr><tr><td>Classifica\u00e7\u00e3o de tens\u00e3o<\/td><td>120 V<\/td><td>240 V<\/td><\/tr><tr><td>N\u00famero de fios quentes<\/td><td>1<\/td><td>2<\/td><\/tr><tr><td>Classifica\u00e7\u00e3o de amperes<\/td><td>Geralmente 15-20A<\/td><td>Geralmente 20-50A<\/td><\/tr><tr><td>Uso<\/td><td>Luzes, tomadas<\/td><td>Aquecedores de \u00e1gua, secadores, unidades HVAC<\/td><\/tr><tr><td>Largura do disjuntor<\/td><td>1 slot no painel<\/td><td>2 slots no painel<\/td><\/tr><tr><td>Mecanismo de viagem<\/td><td>Dispara quando um fio sobrecarrega<\/td><td>Dispara quando qualquer um dos fios sobrecarrega<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.tosunlux.eu\/pt\/products\/tsb3-63-miniature-circuit-breaker-2\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1-1024x1024.jpg\" alt=\"Disjuntor Miniatura TSB3-63\" class=\"wp-image-1756\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-1P-1.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1-1024x1024.jpg\" alt=\"\" class=\"wp-image-1757\" srcset=\"https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1-1024x1024.jpg 1024w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1-300x300.jpg 300w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1-150x150.jpg 150w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1-768x768.jpg 768w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1-1536x1536.jpg 1536w, https:\/\/www.tosunlux.eu\/wp-content\/uploads\/2022\/04\/TSB3-63-2P-1.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_a_Single_Pole_Breaker_Work\"><\/span>Como funciona um disjuntor unipolar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um disjuntor unipolar \u00e9 um disjuntor que se conecta a um fio fase e a um fio neutro, fornecendo energia de 120 V.&nbsp;<\/p>\n\n\n\n<p>Ele dispara quando h\u00e1 sobrecarga ou curto-circuito, cortando a energia do circuito afetado.&nbsp;<\/p>\n\n\n\n<p>Esses disjuntores geralmente s\u00e3o classificados entre 15 e 20 amperes e s\u00e3o usados para tomadas el\u00e9tricas residenciais comuns, ilumina\u00e7\u00e3o e pequenos eletrodom\u00e9sticos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Applications_of_Single_Pole_Breakers\"><\/span>Aplica\u00e7\u00f5es comuns de disjuntores unipolares<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Circuitos de ilumina\u00e7\u00e3o interna e externa<\/li><li>Tomadas el\u00e9tricas padr\u00e3o em salas de estar e quartos<\/li><li>Pequenos eletrodom\u00e9sticos como TVs, cafeteiras e micro-ondas<\/li><li>Disjuntores de 120 V em pain\u00e9is el\u00e9tricos residenciais<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_a_Double_Pole_Breaker_Work\"><\/span>Como funciona um disjuntor bipolar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um disjuntor bipolar conecta-se a dois fios energizados, fornecendo energia de 240 V. Ele desarma quando h\u00e1 sobrecarga em qualquer fio, tornando-o essencial para lidar com aparelhos de alta pot\u00eancia. Esses disjuntores s\u00e3o comumente classificados de 20 A a 50 A, dependendo da demanda el\u00e9trica do dispositivo conectado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_Double_Pole_20_Amp_Breaker_Used_For\"><\/span>Para que serve um disjuntor bipolar de 20 A?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Um disjuntor bipolar de 20 amperes \u00e9 normalmente usado para:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Pequenos aquecedores de \u00e1gua<\/li><li>Aquecedores de rodap\u00e9<\/li><li>Bombas de po\u00e7o<\/li><li>Algumas unidades de ar condicionado<\/li><\/ul>\n\n\n\n<p>Disjuntores bipolares de maior amperagem (30 A, 40 A, 50 A) s\u00e3o usados para grandes aparelhos, como fog\u00f5es el\u00e9tricos, secadoras e sistemas HVAC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Difference_Between_120V_and_240V_Breaker\"><\/span>Diferen\u00e7a entre disjuntor de 120 V e 240 V<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Um disjuntor de 120 V (p\u00f3lo \u00fanico) alimenta dispositivos de baixa energia, enquanto um disjuntor de 240 V (p\u00f3lo duplo) suporta aparelhos de alta energia. Veja como eles se comparam:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Disjuntor 120V<\/strong>: Usado para tomadas e luzes; conecta-se a uma fase do painel el\u00e9trico.<\/li><li><strong>Disjuntor 240V<\/strong>: Usado para aparelhos de alta resist\u00eancia; conecta-se a ambas as fases do painel el\u00e9trico.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_to_Use_a_Single_Pole_or_Double_Pole_Breaker\"><\/span>Quando usar um disjuntor unipolar ou bipolar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Use um disjuntor unipolar quando:<\/strong><\/td><td><strong>Use um disjuntor bipolar quando:<\/strong><\/td><\/tr><tr><td>Alimenta\u00e7\u00e3o de luzes e tomadas<\/td><td>Alimentando grandes aparelhos (secadores, fog\u00f5es, HVAC)<\/td><\/tr><tr><td>Utilizando aparelhos de baixa pot\u00eancia<\/td><td>Executando dispositivos de alta energia de 240 V<\/td><\/tr><tr><td>Instala\u00e7\u00e3o de circuitos dom\u00e9sticos padr\u00e3o<\/td><td>Manuseio de cargas de amperagem mais alta<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<iframe width=\"860\" height=\"500\" src=\"https:\/\/www.youtube.com\/embed\/5wH2tK9-uAw?si=cTuU3SKF66tnwsfq\" title=\"Leitor de v\u00eddeo do YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double_Pole_and_Single_Pole_Breaker_Conclusion\"><\/span>Disjuntor bipolar e unipolar: Conclus\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A diferen\u00e7a entre um disjuntor bipolar e um monopolar se resume \u00e0 voltagem, ao n\u00famero de fios energizados e \u00e0 aplica\u00e7\u00e3o.&nbsp;<\/p>\n\n\n\n<p>Os disjuntores unipolares s\u00e3o para circuitos dom\u00e9sticos padr\u00e3o (120 V, 15-20 A), enquanto os disjuntores bipolares alimentam aparelhos maiores (240 V, 20-50 A).&nbsp;<\/p>\n\n\n\n<p>A escolha do disjuntor certo garante uma opera\u00e7\u00e3o el\u00e9trica segura e eficiente.<\/p>\n\n\n\n<p><br>Para suas necessidades el\u00e9tricas, visite nosso <a href=\"https:\/\/www.tosunlux.eu\/pt\/products\/tsb3-63-miniature-circuit-breaker-2\/\" target=\"_blank\" rel=\"noreferrer noopener\">disjuntor miniatura<\/a> cat\u00e1logo de produtos agora!<\/p>","protected":false},"excerpt":{"rendered":"<p>The key difference between a double pole and a single pole breaker is that a single pole breaker controls one 120V circuit, while a double pole breaker controls a 240V circuit by connecting to two hot wires.&nbsp; Double pole breakers handle more power and are used for larger appliances, while single pole breakers are used for standard household outlets and lights. Read on to learn more. Single Pole vs Double Pole Breaker: Quick Comparison Table Feature Single Pole Breaker Double Pole Breaker Voltage Rating 120V 240V Number of Hot Wires 1 2 Amp Rating Commonly 15-20A Commonly 20-50A Usage Lights, outlets Water heaters, dryers, HVAC units Breaker Width 1 slot in the panel 2 slots in the panel Trip Mechanism Trips when one wire overloads Trips when either wire overloads How Does a Single Pole Breaker Work? A single pole breaker is a circuit breaker that connects to one hot wire and one neutral wire, delivering 120V power.&nbsp; It trips when there is an overload or short circuit, cutting off power to the affected circuit.&nbsp; These breakers are commonly rated at 15 to 20 amps and are used for standard home electrical outlets, lighting, and small appliances. Common Applications of Single Pole Breakers Indoor and outdoor lighting circuits Standard electrical outlets in living rooms and bedrooms Small appliances like TVs, coffee makers, and microwaves 120V circuit breakers in home electrical panels How Does a Double Pole Breaker Work? A double pole breaker connects to two hot wires, providing 240V power. It trips when there is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12610,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-12609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Single Pole vs Double Pole Breaker- Key Differences Explained | TOSUNlux<\/title>\n<meta name=\"description\" content=\"Understand the difference between single pole and double pole breakers in simple terms. 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