{"product_id":"dc-circuit-breaker-miniature-circuit-breakers-for-dc-and-solar-generation","title":"直流断路器 – 用于直流和太阳能发电的微型断路器","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIEC 60947-2, EN60947-2, GB 14048.2\u003c\/p\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e特点\u003c\/h4\u003e\n\u003cp data-mce-fragment=\"1\"\u003eJB是一款专用于多串光伏装置的直流断路器。该直流断路器旨在保护位于每串光伏组件和光伏逆变器之间的电缆免受过载和直流短路的影响（参见应用图）。\u003c\/p\u003e\u003c!-- details --\u003e\n\u003cp data-mce-fragment=\"1\"\u003eJB将与开关结合，安装在每串光伏组件末端的串式光伏保护箱中。\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e直流电路可在OFF位置锁定（通过挂锁装置），作为拆除光伏逆变器的安全措施。由于故障电流可以与工作电流方向相反地流动，JB可以检测并防止任何双向电流。为确保安装安全，根据不同的应用类型，有必要将JB与以下设备结合使用：\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e交流端子的剩余电流装置，\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e直流端的故障穿越检测器（绝缘监测装置）\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e直流端的接地保护断路器\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e在所有情况下，都需要现场快速处理以消除故障（在发生双重故障时无法提供保护）。\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eJB不敏感于极性：(+)和(-)线可以互换，没有任何风险。\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e直流断路器：随附三个极间隔板，以增加两个相邻连接器之间的隔离距离。\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e直流电路的微型断路器配有特殊磁铁，能够将电弧强制到灭弧室并在很短的时间内熄灭电弧。磁铁需要专用的连接方向。\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003e典型应用\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" data-ll-status=\"loaded\" height=\"340\" width=\"660\" alt=\"Railway\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/railway.jpg\" class=\"aligncenter size-full wp-image-4254 lazyloaded\" data-mce-src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/railway.jpg\"\u003e\u003c\/p\u003e\n铁路\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" data-ll-status=\"loaded\" height=\"340\" width=\"660\" alt=\"Power\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/power.jpg\" class=\"aligncenter size-full wp-image-4255 lazyloaded\" data-mce-src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/power.jpg\"\u003e\u003c\/p\u003e\n电力\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" data-ll-status=\"loaded\" height=\"340\" width=\"660\" alt=\"House\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/house.jpg\" class=\"aligncenter size-full wp-image-4258 lazyloaded\" data-mce-src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/house.jpg\"\u003e\u003c\/p\u003e\n家用\n\u003cp data-mce-fragment=\"1\"\u003e\u003cimg data-mce-fragment=\"1\" data-ll-status=\"loaded\" height=\"340\" width=\"660\" alt=\"Building\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/building.jpg\" class=\"aligncenter size-full wp-image-4257 lazyloaded\" data-mce-src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/03\/building.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e建筑\u003c\/p\u003e\n\u003cp\u003e产品资源：\u003ca href=\"https:\/\/www.langir.com\/dc-circuit-breaker\/\" target=\"_blank\"\u003ehttps:\/\/www.langir.com\/dc-circuit-breaker\/\u003c\/a\u003e\u003c\/p\u003e\n\u003cstyle\u003e\u003c!--\n.tb_button {padding:1px;cursor:pointer;border-right: 1px solid #8b8b8b;border-left: 1px solid #FFF;border-bottom: 1px solid #fff;}.tb_button.hover {borer:2px outset #def; background-color: #f8f8f8 !important;}.ws_toolbar {z-index:100000} .ws_toolbar .ws_tb_btn {cursor:pointer;border:1px solid #555;padding:3px}   .tb_highlight{background-color:yellow} .tb_hide {visibility:hidden} .ws_toolbar img {padding:2px;margin:0px}\n--\u003e\u003c\/style\u003e","brand":"Langir","offers":[{"title":"Default Title","offer_id":37342384816284,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/dc-circuit-breaker-2p.jpg?v=1609331864","url":"https:\/\/eastsupplier.cn\/zh-cn\/products\/dc-circuit-breaker-miniature-circuit-breakers-for-dc-and-solar-generation","provider":"EastSupplier Platform","version":"1.0","type":"link"}