{"id":1101,"date":"2025-09-05T07:00:42","date_gmt":"2025-09-05T07:00:42","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=1101"},"modified":"2025-10-07T12:11:43","modified_gmt":"2025-10-07T12:11:43","slug":"dc-circuit-breaker-1p-250v-kydb63","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/dc-circuit-breaker-1p-250v-kydb63\/","title":{"rendered":"\u0642\u0627\u0637\u0639 \u062f\u0627\u0631\u0629 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 1P 250 \u0641\u0648\u0644\u062a | KYDB-63-1P"},"content":{"rendered":"<article class=\"product-page kydb-63-1p\">\n<section id=\"overview\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>\u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f 1 \u0641\u0648\u0644\u062a 250 \u0641\u0648\u0644\u062a 250 \u0641\u0648\u0644\u062a<\/strong> (model KYDB-63-1P) is a single-pole miniature breaker designed for PV combiner boxes, ESS systems, and telecom DC power. It supports rated currents from <strong>6A to 63A<\/strong> and ensures dependable overload and short-circuit protection at <strong>250VDC<\/strong>. With Ui 690V and Uimp 6kV, this breaker delivers safety and reliability in demanding DC applications.<\/p>\n<\/section>\n<section id=\"features\">\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li>Rated current options: 6A \/ 10A \/ 16A \/ 20A \/ 25A \/ 32A \/ 63A<\/li>\n<li>Rated voltage: 250VDC (1P); frame current 63A<\/li>\n<li>Breaking capacity: 6kA (Icn) \/ Operating short-circuit capacity: 6kA (Ics)<\/li>\n<li>Trip characteristics: C \/ D, thermal-magnetic<\/li>\n<li>Rated insulation voltage (Ui): 690V; Impulse withstand voltage (Uimp): 6kV<\/li>\n<li>Mechanical life: 20,000 ops; Electrical life: 2,000 ops<\/li>\n<li>\u0645\u0639\u062a\u0645\u062f \u0644\u062f\u0649 <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC 60947-2<\/a>, CE, and <a href=\"https:\/\/www.ul.com\/\" target=\"_blank\" rel=\"noopener\">UL<\/a><\/li>\n<li>Perfect match with <a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/a>, <a href=\"\/ar\/dc-fuse\/\">\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a>, <a href=\"\/ar\/dc-spd\/\">DC SPDs<\/a>, \u0648 <a href=\"\/ar\/dc-switch-disconnector\/\">\u0645\u0641\u0627\u062a\u064a\u062d \u0641\u0635\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a><\/li>\n<\/ul>\n<\/section>\n<section id=\"specifications\">\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0627\u0644\u0637\u0631\u0627\u0632<\/th>\n<td>KYDB-63-1P<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0623\u0639\u0645\u062f\u0629<\/th>\n<td>1P<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u062f\u0631 (\u0641\u064a)<\/th>\n<td>6\u201363A<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646 (Ue)<\/th>\n<td>250VDC<\/td>\n<\/tr>\n<tr>\n<th>Rated Insulation Voltage (Ui)<\/th>\n<td>690V<\/td>\n<\/tr>\n<tr>\n<th>Impulse Withstand Voltage (Uimp)<\/th>\n<td>6kV<\/td>\n<\/tr>\n<tr>\n<th>Breaking Capacity (Icn\/Ics)<\/th>\n<td>6kA \/ 6kA<\/td>\n<\/tr>\n<tr>\n<th>Trip Characteristics<\/th>\n<td>C \/ D<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062d\u064a\u0627\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/th>\n<td>20,000 operations<\/td>\n<\/tr>\n<tr>\n<th>Electrical Life<\/th>\n<td>2,000 operations<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/th>\n<td>DIN-rail, width 18mm per pole<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631<\/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>Wiring Diagram &amp; Dimensions<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1103\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/dimension-300x218.png\" alt=\"KYDB-63 DImension\" width=\"517\" height=\"376\" 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: 517px) 100vw, 517px\" \/><\/p>\n<\/section>\n<section id=\"applications\">\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Residential and commercial PV rooftop systems<\/li>\n<li>Energy storage system (ESS) DC distribution<\/li>\n<li>Telecom and data center DC power supply<\/li>\n<li>Industrial automation DC panels<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3>Q1: What is a dc circuit breaker 1p 250v?<\/h3>\n<p>A1: It is a single-pole miniature DC breaker rated at 250VDC, designed for overload and short-circuit protection in PV, ESS, and telecom applications.<\/p>\n<h3>Q2: What current ratings are available for KYDB-63-1P?<\/h3>\n<p>A2: It supports 6A, 10A, 16A, 20A, 25A, 32A, and 63A.<\/p>\n<h3>Q3: What is the breaking capacity?<\/h3>\n<p>A3: The breaker provides 6kA breaking capacity (Icn\/Ics).<\/p>\n<h3>Q4: Is it suitable for PV combiner boxes?<\/h3>\n<p>A4: Yes, this <strong>\u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f 1 \u0641\u0648\u0644\u062a 250 \u0641\u0648\u0644\u062a 250 \u0641\u0648\u0644\u062a<\/strong> is commonly used in <a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/a> and ESS DC systems.<\/p>\n<h3>Q5: What standards does KYDB-63-1P comply with?<\/h3>\n<p>A5: It complies with IEC 60947-2, GB\/T 14048.2, CE, and UL certifications.<\/p>\n<\/section>\n<section id=\"cta\">\n<h2>\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631<\/h2>\n<p>Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-63-1P.<\/p>\n<p><a class=\"btn\" href=\"\/ar\/contact-us\/\">Contact Us<\/a><\/p>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<ul data-start=\"624\" data-end=\"849\">\n<li data-start=\"624\" data-end=\"697\">\n<p data-start=\"626\" data-end=\"697\">Kuangya KYDB-63-1P is a <strong data-start=\"650\" data-end=\"680\">\u0642\u0627\u0637\u0639 \u062f\u0627\u0626\u0631\u0629 \u062a\u064a\u0627\u0631 \u0645\u062a\u0631\u062f\u062f 1 \u0641\u0648\u0644\u062a 250 \u0641\u0648\u0644\u062a 250 \u0641\u0648\u0644\u062a<\/strong>, rated 10\u201363A.<\/p>\n<\/li>\n<li data-start=\"698\" data-end=\"777\">\n<p data-start=\"700\" data-end=\"777\">Provides short-circuit and overload protection, breaking capacity 6kA\/10kA.<\/p>\n<\/li>\n<li data-start=\"778\" data-end=\"849\">\n<p data-start=\"780\" data-end=\"849\">Compact 18mm width per pole, IEC 60947-2 compliant, DIN-rail mount.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":2064,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":{"0":"post-1101","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\/ar\/wp-json\/wp\/v2\/product\/1101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=1101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/2064"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=1101"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1101"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1101"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}