{"id":1118,"date":"2025-09-05T09:03:25","date_gmt":"2025-09-05T09:03:25","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=1118"},"modified":"2025-10-07T12:19:38","modified_gmt":"2025-10-07T12:19:38","slug":"dc-circuit-breaker-3p-750v-125a-kydb125","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/it\/product\/dc-circuit-breaker-3p-750v-125a-kydb125\/","title":{"rendered":"Interruttore CC 3P 750V 125A | KYDB-125-3P"},"content":{"rendered":"<article class=\"product-page kydb-125-3p\">\n<section id=\"overview\">\n<h2>Panoramica<\/h2>\n<p>Il <strong>interruttore automatico 3p 750v 125a<\/strong> (modello <strong>KYDB-125-3P<\/strong>) is a three-pole miniature DC breaker designed for large-scale PV arrays, ESS DC buses, and industrial DC distribution panels. Rated at <strong>750VDC<\/strong> with current options of <strong>63A \/ 80A \/ 100A \/ 125A<\/strong>, it delivers overload and short-circuit protection with a <strong>6kA<\/strong> breaking capacity. With Ui 690V and Uimp 6kV, it provides robust insulation and long service life.<\/p>\n<\/section>\n<section id=\"features\">\n<h2>Caratteristiche principali<\/h2>\n<ul>\n<li><strong>Tensione nominale:<\/strong> 750VDC (3P); <strong>corrente di telaio:<\/strong> 125A<\/li>\n<li><strong>Opzioni attuali:<\/strong> 63A \/ 80A \/ 100A \/ 125A<\/li>\n<li><strong>Capacit\u00e0 di rottura:<\/strong> 6kA (Icn\/Ics)<\/li>\n<li><strong>Caratteristiche del viaggio:<\/strong> C \/ D, magnetotermico<\/li>\n<li><strong>Isolamento e impulso:<\/strong> Ui 690V; Uimp 6kV<\/li>\n<li><strong>Resistenza:<\/strong> Durata meccanica 20.000 operazioni; durata elettrica 2.000 operazioni<\/li>\n<li><strong>Conformit\u00e0:<\/strong> <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC 60947-2<\/a>, GB\/T 14048.2; CE &amp; <a href=\"https:\/\/www.ul.com\/\" target=\"_blank\" rel=\"noopener\">UL<\/a><\/li>\n<li>Works with <a href=\"\/it\/pv-combiner-box\/\">Scatole combinatore FV<\/a>, <a href=\"\/it\/dc-fuse\/\">Fusibili DC<\/a>, <a href=\"\/it\/dc-spd\/\">SPD DC<\/a>, e <a href=\"\/it\/sezionatore-dc\/\">Sezionatori DC<\/a><\/li>\n<\/ul>\n<\/section>\n<section id=\"specifications\">\n<h2>Specifiche tecniche<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Modello<\/th>\n<td>KYDB-125-3P<\/td>\n<\/tr>\n<tr>\n<th>Pali<\/th>\n<td>3P<\/td>\n<\/tr>\n<tr>\n<th>Corrente nominale (In)<\/th>\n<td>63A \/ 80A \/ 100A \/ 125A<\/td>\n<\/tr>\n<tr>\n<th>Tensione nominale (Ue)<\/th>\n<td>750VDC<\/td>\n<\/tr>\n<tr>\n<th>Tensione nominale di isolamento (Ui)<\/th>\n<td>690V<\/td>\n<\/tr>\n<tr>\n<th>Tensione di tenuta agli impulsi (Uimp)<\/th>\n<td>6kV<\/td>\n<\/tr>\n<tr>\n<th>Capacit\u00e0 di rottura (Icn\/Ics)<\/th>\n<td>6kA \/ 6kA<\/td>\n<\/tr>\n<tr>\n<th>Caratteristiche del viaggio<\/th>\n<td>C \/ D<\/td>\n<\/tr>\n<tr>\n<th>Vita meccanica<\/th>\n<td>20.000 operazioni<\/td>\n<\/tr>\n<tr>\n<th>Vita elettrica<\/th>\n<td>2.000 operazioni<\/td>\n<\/tr>\n<tr>\n<th>Installazione<\/th>\n<td>DIN-rail, width 54mm (18mm \u00d7 3 poles)<\/td>\n<\/tr>\n<tr>\n<th>Standard<\/th>\n<td>IEC 60947-2, GB\/T 14048.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"diagram\">\n<h2>Schema di cablaggio e dimensioni<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1113\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/125A-dimension-300x191.png\" alt=\"DIMENSIONE 125A-MCB\" width=\"300\" height=\"191\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/125A-dimension-300x191.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/125A-dimension-768x490.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/125A-dimension-600x383.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/125A-dimension.png 904w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<\/section>\n<section id=\"applications\">\n<h2>Applicazioni<\/h2>\n<ul>\n<li>Large-scale solar PV arrays<\/li>\n<li>Energy storage system (ESS) DC buses<\/li>\n<li>Industrial DC distribution panels<\/li>\n<li>Telecom and infrastructure DC systems<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h2>FAQ<\/h2>\n<h3>Q1: What is a dc circuit breaker 3p 750v 125a?<\/h3>\n<p>A1: It is a three-pole miniature DC breaker rated at 750VDC and up to 125A, designed for overload and short-circuit protection.<\/p>\n<h3>D2: Quali sono gli indici di corrente disponibili?<\/h3>\n<p>A2: KYDB-125-3P supports 63A, 80A, 100A, and 125A.<\/p>\n<h3>D3: Qual \u00e8 la capacit\u00e0 di rottura?<\/h3>\n<p>A3: L'interruttore ha un potere di interruzione di 6kA (Icn\/Ics).<\/p>\n<h3>D4: Pu\u00f2 essere utilizzato in sistemi FV e SSE?<\/h3>\n<p>A4: S\u00ec, questo <strong>interruttore automatico 3p 750v 125a<\/strong> \u00e8 comunemente applicato in <a href=\"\/it\/pv-combiner-box\/\">Scatole combinatore FV<\/a> e i sistemi ESS in corrente continua.<\/p>\n<h3>Q5: Which standards does KYDB-125-3P comply with?<\/h3>\n<p>A5: \u00e8 conforme alle certificazioni IEC 60947-2, GB\/T 14048.2, CE e UL.<\/p>\n<\/section>\n<section id=\"cta\">\n<h2>Richiedi un preventivo<\/h2>\n<p>Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-125-3P.<\/p>\n<p><a class=\"btn\" href=\"\/it\/contact-us\/\">Contatto<\/a><\/p>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"296\" data-end=\"399\">\n<p data-start=\"298\" data-end=\"399\">Kuangya KYDB-125-3P is a <strong data-start=\"323\" data-end=\"358\">interruttore automatico 3p 750v 125a<\/strong>, disponibile nelle versioni 63A \/ 80A \/ 100A \/ 125A.<\/p>\n<\/li>\n<li data-start=\"400\" data-end=\"498\">\n<p data-start=\"402\" data-end=\"498\">Provides triple-pole overload &amp; short-circuit protection at 750VDC with 6kA breaking capacity.<\/p>\n<\/li>\n<li data-start=\"499\" data-end=\"582\">\n<p data-start=\"501\" data-end=\"582\">IEC 60947-2 certified, DIN-rail breaker for PV, ESS, and industrial DC systems.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":2096,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":{"0":"post-1118","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dc-mcb","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product\/1118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/comments?post=1118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/media\/2096"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/media?parent=1118"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product_brand?post=1118"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product_cat?post=1118"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product_tag?post=1118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}