{"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\/de\/product\/dc-circuit-breaker-3p-750v-125a-kydb125\/","title":{"rendered":"DC-Leitungsschutzschalter 3P 750V 125A | KYDB-125-3P"},"content":{"rendered":"<article class=\"product-page kydb-125-3p\">\n<section id=\"overview\">\n<h2>\u00dcbersicht<\/h2>\n<p>Die <strong>dc schutzschalter 3p 750v 125a<\/strong> (Modell <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>Wesentliche Merkmale<\/h2>\n<ul>\n<li><strong>Nennspannung:<\/strong> 750VDC (3P); <strong>Rahmenstrom:<\/strong> 125A<\/li>\n<li><strong>Aktuelle Optionen:<\/strong> 63A \/ 80A \/ 100A \/ 125A<\/li>\n<li><strong>Schaltleistung:<\/strong> 6kA (Icn\/Ics)<\/li>\n<li><strong>Merkmale der Reise:<\/strong> C \/ D, thermisch-magnetisch<\/li>\n<li><strong>Isolierung &amp; Impuls:<\/strong> Ui 690V; Uimp 6kV<\/li>\n<li><strong>Ausdauer:<\/strong> Mechanische Lebensdauer 20.000 Eins\u00e4tze; Elektrische Lebensdauer 2.000 Eins\u00e4tze<\/li>\n<li><strong>Einhaltung der Vorschriften:<\/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=\"\/de\/pv-combiner-box\/\">PV-Kombinatork\u00e4sten<\/a>, <a href=\"\/de\/dc-fuse\/\">DC-Sicherungen<\/a>, <a href=\"\/de\/dc-spd\/\">DC SPDs<\/a>und <a href=\"\/de\/dc-switch-disconnector\/\">DC-Lasttrennschalter<\/a><\/li>\n<\/ul>\n<\/section>\n<section id=\"specifications\">\n<h2>Spezifikationen<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Modell<\/th>\n<td>KYDB-125-3P<\/td>\n<\/tr>\n<tr>\n<th>Pole<\/th>\n<td>3P<\/td>\n<\/tr>\n<tr>\n<th>Nennstrom (In)<\/th>\n<td>63A \/ 80A \/ 100A \/ 125A<\/td>\n<\/tr>\n<tr>\n<th>Nennspannung (Ue)<\/th>\n<td>750VDC<\/td>\n<\/tr>\n<tr>\n<th>Bemessungsisolationsspannung (Ui)<\/th>\n<td>690V<\/td>\n<\/tr>\n<tr>\n<th>Sto\u00dfspannungsfestigkeit (Uimp)<\/th>\n<td>6kV<\/td>\n<\/tr>\n<tr>\n<th>Ausschaltverm\u00f6gen (Icn\/Ics)<\/th>\n<td>6kA \/ 6kA<\/td>\n<\/tr>\n<tr>\n<th>Merkmale der Reise<\/th>\n<td>C \/ D<\/td>\n<\/tr>\n<tr>\n<th>Mechanische Lebensdauer<\/th>\n<td>20.000 Operationen<\/td>\n<\/tr>\n<tr>\n<th>Elektrische Lebensdauer<\/th>\n<td>2.000 Operationen<\/td>\n<\/tr>\n<tr>\n<th>Einrichtung<\/th>\n<td>DIN-Schiene, Breite 54mm (18mm \u00d7 3 Pole)<\/td>\n<\/tr>\n<tr>\n<th>Normen<\/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>Schaltplan &amp; Abmessungen<\/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=\"125A-MCB-ABMESSUNG\" 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>Anwendungen<\/h2>\n<ul>\n<li>Large-scale solar PV arrays<\/li>\n<li>Energiespeichersystem (ESS) DC-Busse<\/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>F2: Welche Stromst\u00e4rken sind verf\u00fcgbar?<\/h3>\n<p>A2: KYDB-125-3P supports 63A, 80A, 100A, and 125A.<\/p>\n<h3>F3: Wie hoch ist die Schaltleistung?<\/h3>\n<p>A3: The breaker provides 6kA breaking capacity (Icn\/Ics).<\/p>\n<h3>F4: Kann es in PV- und ESS-Systemen verwendet werden?<\/h3>\n<p>A4: Ja, das <strong>dc schutzschalter 3p 750v 125a<\/strong> is commonly applied in <a href=\"\/de\/pv-combiner-box\/\">PV-Kombinatork\u00e4sten<\/a> and ESS DC systems.<\/p>\n<h3>Q5: Which standards does KYDB-125-3P comply with?<\/h3>\n<p>A5: Es erf\u00fcllt die Anforderungen der IEC 60947-2, GB\/T 14048.2, CE und UL-Zertifizierungen.<\/p>\n<\/section>\n<section id=\"cta\">\n<h2>Angebot einholen<\/h2>\n<p>Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-125-3P.<\/p>\n<p><a class=\"btn\" href=\"\/de\/contact-us\/\">Kontakt<\/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\">dc schutzschalter 3p 750v 125a<\/strong>, verf\u00fcgbar in 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\/de\/wp-json\/wp\/v2\/product\/1118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/comments?post=1118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/media\/2096"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/media?parent=1118"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/product_brand?post=1118"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/product_cat?post=1118"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/de\/wp-json\/wp\/v2\/product_tag?post=1118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}