{"id":1107,"date":"2025-09-05T07:07:42","date_gmt":"2025-09-05T07:07:42","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=1107"},"modified":"2025-10-07T12:15:04","modified_gmt":"2025-10-07T12:15:04","slug":"dc-circuit-breaker-3p-750v-kydb63","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/it\/product\/dc-circuit-breaker-3p-750v-kydb63\/","title":{"rendered":"Interruttore CC 3P 750V | KYDB-63-3P"},"content":{"rendered":"<article class=\"product-page kydb-63-3p\">\n<section id=\"overview\">\n<h2>Panoramica<\/h2>\n<p>Il <strong>interruttore automatico 3p 750v<\/strong> (modello <strong>KYDB-63-3P<\/strong>) delivers reliable triple-pole DC protection for PV combiner boxes, energy storage systems (ESS), and industrial DC distribution. With current ratings from <strong>Da 6A a 63A<\/strong>, it provides dependable overload and short-circuit protection at <strong>750VDC<\/strong>. Insulation strength is ensured by <strong>Ui 690V<\/strong> e <strong>Uimp 6kV<\/strong>, supporting long-term performance in demanding environments.<\/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> 63A<\/li>\n<li><strong>Rated current options:<\/strong> 6A \/ 10A \/ 16A \/ 20A \/ 25A \/ 32A \/ 63A<\/li>\n<li><strong>Capacit\u00e0 di rottura:<\/strong> 6kA (Icn); <strong>Operating short-circuit capacity:<\/strong> 6kA (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>Si coordina con <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-63-3P<\/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>6-63A<\/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 (termico-magnetico)<\/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-1103\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/dimension-300x218.png\" alt=\"KYDB-63 DImensione\" width=\"300\" height=\"218\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/dimension-300x218.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/dimension-768x559.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/dimension-600x437.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/dimension.png 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<\/section>\n<section id=\"applications\">\n<h2>Applicazioni<\/h2>\n<ul>\n<li>Large-scale PV arrays and strings<\/li>\n<li>Energy storage system (ESS) DC buses<\/li>\n<li>Industrial DC distribution and control panels<\/li>\n<li>Telecommunication and infrastructure DC power<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h2>FAQ<\/h2>\n<h3>Q1: What is a dc circuit breaker 3p 750v?<\/h3>\n<p>A1: It is a triple-pole miniature DC breaker rated at 750VDC, designed to protect DC circuits from overloads and short-circuits.<\/p>\n<h3>Q2: What current ratings are available for KYDB-63-3P?<\/h3>\n<p>A2: 6A, 10A, 16A, 20A, 25A, 32A, and 63A.<\/p>\n<h3>D3: Qual \u00e8 la capacit\u00e0 di rottura?<\/h3>\n<p>A3: Standard breaking capacity is 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<\/strong> \u00e8 comunemente usato in <a href=\"\/it\/pv-combiner-box\/\">Scatole combinatore FV<\/a> e la distribuzione in corrente continua di ESS.<\/p>\n<h3>Q5: Which standards does KYDB-63-3P comply with?<\/h3>\n<p>A5: It complies with IEC 60947-2, GB\/T 14048.2, CE and UL requirements.<\/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-63-3P.<\/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=\"220\" data-end=\"293\">\n<p data-start=\"222\" data-end=\"293\">Kuangya KYDB-63-3P is a <strong data-start=\"246\" data-end=\"276\">interruttore automatico 3p 750v<\/strong>, con una potenza nominale di 10-63A.<\/p>\n<\/li>\n<li data-start=\"294\" data-end=\"386\">\n<p data-start=\"296\" data-end=\"386\">Provides reliable short-circuit and overload protection with 6kA\/10kA breaking capacity.<\/p>\n<\/li>\n<li data-start=\"387\" data-end=\"459\">\n<p data-start=\"389\" data-end=\"459\">Triple-pole 750VDC breaker, IEC 60947-2 certified, DIN-rail mounted<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":2074,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":{"0":"post-1107","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\/1107","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=1107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/media\/2074"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/media?parent=1107"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product_brand?post=1107"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product_cat?post=1107"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/it\/wp-json\/wp\/v2\/product_tag?post=1107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}