{"id":1115,"date":"2025-09-05T08:39:58","date_gmt":"2025-09-05T08:39:58","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=1115"},"modified":"2025-10-07T12:18:22","modified_gmt":"2025-10-07T12:18:22","slug":"dc-circuit-breaker-2p-500v-125a-kydb125","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ja\/product\/dc-circuit-breaker-2p-500v-125a-kydb125\/","title":{"rendered":"\u76f4\u6d41\u906e\u65ad\u5668 2P 500V 125A\uff5cKYDB-125-2P"},"content":{"rendered":"<article class=\"product-page kydb-125-2p\">\n<section id=\"overview\">\n<h2>\u6982\u8981<\/h2>\n<p>\u306b\u3064\u3044\u3066 <strong>\u76f4\u6d41\u906e\u65ad\u5668 2P 500V 125A<\/strong> (\u30e2\u30c7\u30eb <strong>KYDB-125-2P<\/strong>) is a double-pole miniature DC breaker engineered for solar PV combiner boxes, energy storage (ESS), and industrial DC distribution systems. Rated for <strong>500VDC<\/strong> \u3067\u5165\u624b\u3067\u304d\u308b\u3002 <strong>63A \/ 80A \/ 100A \/ 125A<\/strong>, it ensures overload and short-circuit protection with a <strong>6kA<\/strong> breaking capacity. Ui 690V and Uimp 6kV provide strong insulation performance for demanding environments.<\/p>\n<\/section>\n<section id=\"features\">\n<h2>\u4e3b\u306a\u7279\u5fb4<\/h2>\n<ul>\n<li><strong>\u5b9a\u683c\u96fb\u5727\uff1a<\/strong> 500VDC (2P); <strong>\u30d5\u30ec\u30fc\u30e0\u96fb\u6d41\uff1a<\/strong> 125A<\/li>\n<li><strong>\u73fe\u5728\u306e\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong> 63A \/ 80A \/ 100A \/ 125A<\/li>\n<li><strong>\u7834\u65ad\u80fd\u529b\uff1a<\/strong> 6kA (Icn\/Ics)<\/li>\n<li><strong>\u65c5\u306e\u7279\u5fb4<\/strong> C\/D\u3001\u71b1\u78c1\u6c17<\/li>\n<li><strong>\u30a4\u30f3\u30b7\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u30a4\u30f3\u30d1\u30eb\u30b9\uff1a<\/strong> Ui 690V; Uimp 6kV<\/li>\n<li><strong>\u6301\u4e45\u529b\uff1a<\/strong> \u6a5f\u68b0\u7684\u5bff\u547d20,000\u56de\u3001\u96fb\u6c17\u7684\u5bff\u547d2,000\u56de<\/li>\n<li><strong>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\uff1a<\/strong> <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC 60947-2<\/a>, gb\/t 14048.2;\u30bb\u30ea\u30a6\u30e0 <a href=\"https:\/\/www.ul.com\/\" target=\"_blank\" rel=\"noopener\">UL<\/a><\/li>\n<li>Works with <a href=\"\/ja\/pv-combiner-box\/\">PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/a>, <a href=\"\/ja\/dc-fuse\/\">\u76f4\u6d41\u30d2\u30e5\u30fc\u30ba<\/a>, <a href=\"\/ja\/%e7%9b%b4%e6%b5%81%e5%9b%9e%e8%bb%a2%e6%95%b0\/\">DC SPD<\/a>\u305d\u3057\u3066 <a href=\"\/ja\/dc-switch-disconnector\/\">DC\u30b9\u30a4\u30c3\u30c1\u30fb\u30c7\u30a3\u30b9\u30b3\u30cd\u30af\u30bf\u30fc<\/a><\/li>\n<\/ul>\n<\/section>\n<section id=\"specifications\">\n<h2>\u4ed5\u69d8<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u30e2\u30c7\u30eb<\/th>\n<td>KYDB-125-2P<\/td>\n<\/tr>\n<tr>\n<th>\u30dd\u30fc\u30eb<\/th>\n<td>2P<\/td>\n<\/tr>\n<tr>\n<th>\u5b9a\u683c\u96fb\u6d41 (In)<\/th>\n<td>63A \/ 80A \/ 100A \/ 125A<\/td>\n<\/tr>\n<tr>\n<th>\u5b9a\u683c\u96fb\u5727 (Ue)<\/th>\n<td>500VDC<\/td>\n<\/tr>\n<tr>\n<th>\u5b9a\u683c\u7d76\u7e01\u96fb\u5727 (Ui)<\/th>\n<td>690V<\/td>\n<\/tr>\n<tr>\n<th>\u30a4\u30f3\u30d1\u30eb\u30b9\u8010\u96fb\u5727\uff08Uimp\uff09<\/th>\n<td>6kV<\/td>\n<\/tr>\n<tr>\n<th>\u7834\u65ad\u5bb9\u91cf\uff08Icn\/Ics\uff09<\/th>\n<td>6kA \/ 6kA<\/td>\n<\/tr>\n<tr>\n<th>\u65c5\u306e\u7279\u5fb4<\/th>\n<td>C \/ D<\/td>\n<\/tr>\n<tr>\n<th>\u6a5f\u68b0\u7684\u5bff\u547d<\/th>\n<td>20,000\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3<\/td>\n<\/tr>\n<tr>\n<th>\u96fb\u6c17\u7684\u5bff\u547d<\/th>\n<td>2,000\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3<\/td>\n<\/tr>\n<tr>\n<th>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/th>\n<td>DIN-rail, width 36mm (18mm \u00d7 2 poles)<\/td>\n<\/tr>\n<tr>\n<th>\u898f\u683c<\/th>\n<td>IEC 60947-2\u3001GB\/T 14048.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"diagram\">\n<h2>\u914d\u7dda\u56f3\u3068\u5bf8\u6cd5<\/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 \u5bf8\u6cd5\" 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>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<ul>\n<li>Solar PV combiner boxes<\/li>\n<li>Energy storage system (ESS) DC buses<\/li>\n<li>Industrial DC distribution panels<\/li>\n<li>Telecom and infrastructure DC power supply<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h2>\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2>\n<h3>Q1: What is a dc circuit breaker 2p 500v 125a?<\/h3>\n<p>A1: It is a double-pole miniature DC breaker rated at 500VDC and up to 125A, providing overload and short-circuit protection.<\/p>\n<h3>Q2: \u3069\u306e\u3088\u3046\u306a\u96fb\u6d41\u5b9a\u683c\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>A2: KYDB-125-2P supports 63A, 80A, 100A, and 125A.<\/p>\n<h3>Q3: \u7834\u65ad\u80fd\u529b\u306f\u3069\u306e\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>A3: Standard breaking capacity is 6kA (Icn\/Ics).<\/p>\n<h3>Q4: PV\u3084ESS\u30b7\u30b9\u30c6\u30e0\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n<p>A4: \u305d\u3046\u3067\u3059\u3002 <strong>\u76f4\u6d41\u906e\u65ad\u5668 2P 500V 125A<\/strong> is commonly applied in <a href=\"\/ja\/pv-combiner-box\/\">PV\u30b3\u30f3\u30d0\u30a4\u30ca\u30fc\u30dc\u30c3\u30af\u30b9<\/a> and ESS systems.<\/p>\n<h3>Q5: Which standards does KYDB-125-2P comply with?<\/h3>\n<p>A5\uff1aIEC 60947-2\u3001GB\/T 14048.2\u3001CE\u3001UL\u8a8d\u8a3c\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/section>\n<section id=\"cta\">\n<h2>\u304a\u898b\u7a4d\u3082\u308a<\/h2>\n<p>Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-125-2P.<\/p>\n<p><a class=\"btn\" href=\"\/ja\/contact-us\/\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a><\/p>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"307\" data-end=\"410\">\n<p data-start=\"309\" data-end=\"410\">Kuangya KYDB-125-2P is a <strong data-start=\"334\" data-end=\"369\">\u76f4\u6d41\u906e\u65ad\u5668 2P 500V 125A<\/strong>, 63A\/80A\/100A\/125A\u304b\u3089\u9078\u629e\u53ef\u80fd\u3002.<\/p>\n<\/li>\n<li data-start=\"411\" data-end=\"498\">\n<p data-start=\"413\" data-end=\"498\">Provides dependable overload &amp; short-circuit protection with 6kA breaking capacity.<\/p>\n<\/li>\n<li data-start=\"499\" data-end=\"589\">\n<p data-start=\"501\" data-end=\"589\">Double-pole DIN-rail breaker, IEC 60947-2 certified, for PV, ESS &amp; industrial systems.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":2090,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":{"0":"post-1115","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\/ja\/wp-json\/wp\/v2\/product\/1115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/comments?post=1115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media\/2090"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/media?parent=1115"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1115"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1115"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}