{"id":17994,"date":"2026-02-19T14:00:00","date_gmt":"2026-02-19T13:00:00","guid":{"rendered":"https:\/\/rdcomponents.com\/site\/?p=17994"},"modified":"2026-09-09T10:29:51","modified_gmt":"2026-09-09T08:29:51","slug":"207-circuit-breakers","status":"publish","type":"post","link":"https:\/\/rdcomponents.com\/site\/2026\/02\/19\/207-circuit-breakers\/","title":{"rendered":"#207 Circuit Breakers"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"color:#222222;font-size:16px\"><strong>R&amp;D Components<\/strong>&nbsp;\u00e8 specializzata nel&nbsp;<strong>controllo della temperatura<\/strong>. Questo non significa che non siamo in grado di fornire dispositivi capaci di controllare anche la corrente che, come sappiamo, pu\u00f2 influire sulla temperatura in conseguenza del cosiddetto&nbsp;<a href=\"https:\/\/rdcomponents.com\/site\/2021\/11\/25\/13-protettori-termici-ed-effetto-joule\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>effetto Joule<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-2 wp-block-paragraph\" style=\"color:#222222;font-size:16px\">Sappiamo che esistono&nbsp;<a href=\"https:\/\/rdcomponents.com\/site\/protettori-termici\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>protettori termici<\/strong><\/a>&nbsp;che hanno una doppia protezione,&nbsp;<a href=\"https:\/\/rdcomponents.com\/site\/2024\/12\/12\/154-protettori-termici-con-dual-protection\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>dual protection<\/strong><\/a>&nbsp;come si usa dire. Perch\u00e9 oltre che intervenire in funzione della temperatura rilevata, possono anche intervenire in seguito ad un picco di corrente improvviso e anomalo. Questo difatti provoca un surriscaldamento, che viene letto dal bimetallo del protettore e lo porta a intervenire aprendo o, eventualmente, chiudendo i contatti.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-3 wp-block-paragraph\" style=\"color:#222222;font-size:16px\">Esistono per\u00f2 anche dei dispositivi che sono costruiti per intervenire prevalentemente sulla corrente nel caso vi sia un sovraccarico. Pur agendo in un modo molto simile a quello dei fusibili amperometrici, sono, a differenza di questi,&nbsp;<strong>ripristinabili<\/strong>.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-4 wp-block-paragraph\" style=\"color:#222222;font-size:16px\">Stiamo parlando degli&nbsp;<strong>interruttori termo amperometrici a riarmo manuale<\/strong>&nbsp;per apparecchiature, o pi\u00f9 comunemente noti come&nbsp;<strong>Thermal circuit breakers for equipment<\/strong>.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1174\" height=\"480\" src=\"https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2026\/03\/Circuit-Brk.png\" alt=\"circuit breakers\" class=\"wp-image-17995\" style=\"width:700px;height:auto\" srcset=\"https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2026\/03\/Circuit-Brk.png 1174w, https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2026\/03\/Circuit-Brk-300x123.png 300w, https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2026\/03\/Circuit-Brk-1024x419.png 1024w, https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2026\/03\/Circuit-Brk-150x61.png 150w, https:\/\/rdcomponents.com\/site\/wp-content\/uploads\/2026\/03\/Circuit-Brk-768x314.png 768w\" sizes=\"auto, (max-width: 1174px) 100vw, 1174px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-text-color has-link-color wp-elements-5 wp-block-paragraph\" style=\"color:#222222;font-size:16px\"><strong>I circuit breakers&nbsp;<\/strong><a href=\"https:\/\/rdcomponents.com\/site\/circuit-breakers\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ZE-700-A<\/strong><\/a>&nbsp;sono prodotti appena inseriti nella gamma di&nbsp;<strong>R&amp;D Components<\/strong>. Sono veri e propri&nbsp;<strong>dispositivi di protezione da sovraccarichi di corrente<\/strong>, sviluppati per la protezione dei circuiti derivati di apparecchiature elettriche funzionanti a&nbsp;<strong>CA 50\/60 Hz<\/strong>&nbsp;con una corrente nominale di esercizio da&nbsp;<strong><em>3A<\/em><\/strong> fino ai&nbsp;<strong><em>50A<\/em><\/strong>. Utilizzando la&nbsp;<a href=\"https:\/\/rdcomponents.com\/site\/2021\/09\/13\/2-che-cosa-provoca-lapertura-e-la-chiusura-dei-contatti\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>tecnologia bimetallica per il rilevamento della temperatura<\/strong><\/a>, interrompe automaticamente l&#8217;alimentazione quando viene superata la corrente nominale. Viene ripristinato manualmente, senza sostituirlo quando la temperatura scende al di sotto delle soglie di lavoro.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-color has-link-color wp-elements-6 wp-block-paragraph\" style=\"color:#222222;font-size:16px\">Preciso e affidabile, \u00e8 ampiamente utilizzato in vari apparecchi elettrici, come&nbsp;<strong>utensili elettrici<\/strong>,&nbsp;<strong>prese di corrente<\/strong>,&nbsp;<strong>generatori<\/strong>,&nbsp;<strong>motori<\/strong>, ad esempio nelle&nbsp;<strong>macchine per la pulizia<\/strong>,&nbsp;<strong>gruppi di continuit\u00e0<\/strong>&nbsp;(<strong><em>UPS<\/em><\/strong>) e&nbsp;<strong>apparecchi di riscaldamento elettrico<\/strong>,&nbsp;<strong>alimentatori&nbsp;<\/strong>e<strong>&nbsp;impianti a bassa tensione<\/strong>&nbsp;che richiedono protezione dai picchi di corrente.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-color has-link-color wp-elements-7 wp-block-paragraph\" style=\"color:#222222;font-size:16px\">La temperatura ambiente, che deve essere compresa tra i&nbsp;<strong><em>-10\u00b0C<\/em><\/strong>&nbsp;e i&nbsp;<strong><em>60\u00b0C<\/em><\/strong>, e i materiali utilizzati per il cablaggio possono influenzare la curva tempo\/corrente.<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-color has-link-color wp-elements-8 wp-block-paragraph\" id=\"m_-2175916136218546779isPasted\" style=\"color:#222222;font-size:16px\">Proteggere quello che costruiamo dai danni provocati da un surriscaldamento anomalo e proteggere gli utilizzatori da potenziali danni che possono essere arrecati da malfunzionamenti causati da eccessi di temperatura: questo \u00e8 lo scopo finale del nostro lavoro, e per farlo esistono innumerevoli alternative.&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-left has-text-color has-link-color wp-elements-9 wp-block-paragraph\" style=\"color:#222222;font-size:16px\">Sta a voi trovare quella pi\u00f9 adatta alle vostre esigenze.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R&amp;D Components&nbsp;\u00e8 specializzata nel&nbsp;controllo della temperatura. Questo non significa che non siamo in grado di fornire dispositivi capaci di controllare anche la corrente che, come sappiamo, pu\u00f2 influire sulla temperatura in conseguenza del cosiddetto&nbsp;effetto Joule. Sappiamo che esistono&nbsp;protettori termici&nbsp;che hanno una doppia protezione,&nbsp;dual protection&nbsp;come si&#8230;<\/p>\n","protected":false},"author":2,"featured_media":17999,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[239,236],"tags":[1363,1365,1367],"class_list":["post-17994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-funzionamento-tecnico","category-prodotti","tag-circuit-breakers","tag-dual-protection","tag-ze-700-a"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>#207 Circuit Breakers -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rdcomponents.com\/site\/2026\/02\/19\/207-circuit-breakers\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"#207 Circuit Breakers -\" \/>\n<meta property=\"og:description\" content=\"R&amp;D Components&nbsp;\u00e8 specializzata nel&nbsp;controllo della temperatura. 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