{"id":787,"date":"2025-08-29T09:33:26","date_gmt":"2025-08-29T09:33:26","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=787"},"modified":"2025-08-30T10:32:39","modified_gmt":"2025-08-30T10:32:39","slug":"dc-disconnector-switch-nl1","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/dc-disconnector-switch-nl1\/","title":{"rendered":"NL1 Series DC Disconnector Switch | 2P\/4P 1200VDC DIN-Rail"},"content":{"rendered":"<div class=\"product-description\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>dc disconnector switch<\/strong> NL1 series is designed for integration in<br \/>\n<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>, inverter inputs, and<br \/>\n<a href=\"\/ar\/dc-photovoltaic-protection\/\">DC distribution panels<\/a>.<br \/>\nIt offers safe isolation of photovoltaic strings with <strong>2-pole and 4-pole<\/strong> options<br \/>\nand a voltage rating up to <strong>1200VDC<\/strong>.<br \/>\nFeaturing a compact body and a black rotary handle, NL1 is an economical and reliable indoor solution.<\/p>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li><strong>dc disconnector switch<\/strong> rated up to 1200VDC<\/li>\n<li>Available in 2P and 4P configurations<\/li>\n<li>DIN-rail mounted, IP20 enclosure<\/li>\n<li>Polarity-free wiring, interchangeable + and \u2013<\/li>\n<li>Current ratings: 16A \/ 25A \/ 32A<\/li>\n<li>Mechanical endurance: 18k cycles; Electrical: 2k cycles<\/li>\n<li>Impulse withstand: 8.0 kV, Short-time withstand: 1kA, 1s<\/li>\n<li>\u0645\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 <a href=\"https:\/\/webstore.iec.ch\/publication\/26113\" target=\"_blank\" rel=\"dofollow noopener\">IEC 60947-3<\/a><\/li>\n<\/ul>\n<h2>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/h2>\n<table>\n<tbody>\n<tr>\n<td>Function<\/td>\n<td>Isolator, Control<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0623\u0639\u0645\u062f\u0629<\/td>\n<td>2 \u0641-2\/\u0641-4<\/td>\n<\/tr>\n<tr>\n<td>Rated Operational Voltage (Ue)<\/td>\n<td>300\u20131200 VDC<\/td>\n<\/tr>\n<tr>\n<td>Rated Insulation Voltage (Ui)<\/td>\n<td>1200 VDC<\/td>\n<\/tr>\n<tr>\n<td>Short-time Withstand (Icw)<\/td>\n<td>1 kA, 1 s<\/td>\n<\/tr>\n<tr>\n<td>Impulse Withstand Voltage (Uimp)<\/td>\n<td>8.0 kV<\/td>\n<\/tr>\n<tr>\n<td>Ingress Protection<\/td>\n<td>IP20<\/td>\n<\/tr>\n<tr>\n<td>Service Life<\/td>\n<td>Mechanical 18,000 \/ Electrical 2,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Rated Voltage \/ Current<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0627\u0644\u0646\u0648\u0639<\/th>\n<th>300V<\/th>\n<th>600V<\/th>\n<th>800V<\/th>\n<th>1000V<\/th>\n<th>1200V<\/th>\n<\/tr>\n<tr>\n<td>FMPV16-NL1<\/td>\n<td>16A<\/td>\n<td>16A<\/td>\n<td>12A<\/td>\n<td>8A<\/td>\n<td>6A<\/td>\n<\/tr>\n<tr>\n<td>FMPV25-NL1<\/td>\n<td>25A<\/td>\n<td>25A<\/td>\n<td>15A<\/td>\n<td>9A<\/td>\n<td>7A<\/td>\n<\/tr>\n<tr>\n<td>FMPV32-NL1<\/td>\n<td>32A<\/td>\n<td>32A<\/td>\n<td>17A<\/td>\n<td>10A<\/td>\n<td>8A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Switching Configurations<\/h2>\n<ul>\n<li>2P \u2013 isolate one PV string<\/li>\n<li>4P \u2013 isolate dual strings simultaneously<\/li>\n<li>4T \/ 4B \/ 4S \u2013 four poles in series with flexible wiring<\/li>\n<li>2H \u2013 two poles paralleled for higher current<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/h2>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/nl1-dimensions.png\" alt=\"dc disconnector switch NL1 1200V DIN rail dimensions drawing\" \/><\/p>\n<p><em>(Insert product drawing here)<\/em><\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<p>The NL1 <strong>dc disconnector switch<\/strong> is commonly used in indoor PV systems requiring compact and<br \/>\nreliable DC isolation. It is ideal for <a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/a>, inverter connections,<br \/>\n\u0648 <a href=\"\/ar\/dc-fuse\/\">\u0641\u062a\u064a\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a> panels. For slim-panel installations, see<br \/>\n<a href=\"\/ar\/nl1-t-dc-switch-disconnectors\/\">NL1-T series<\/a>.<\/p>\n<\/div>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<p><strong>Q1: What is the NL1 dc disconnector switch used for?<\/strong><br \/>\nA1: The NL1 is designed for safe DC isolation in PV combiner boxes, inverter inputs, and DC distribution panels.<\/p>\n<p><strong>Q2: What versions are available in the NL1 series?<\/strong><br \/>\nA2: The NL1 is available in 2P and 4P versions, supporting voltages up to 1200VDC.<\/p>\n<p><strong>Q3: What is the handle type of NL1?<\/strong><br \/>\nA3: The NL1 features a compact black rotary handle with standard push operation.<\/p>\n<p><strong>Q4: Does the NL1 comply with international standards?<\/strong><br \/>\nA4: Yes, it complies with <a href=\"https:\/\/webstore.iec.ch\/publication\/26113\" target=\"_blank\" rel=\"dofollow noopener\">IEC 60947-3<\/a>.<\/p>\n<p><strong>Q5: Is the NL1 polarity sensitive?<\/strong><br \/>\nA5: No, the NL1 is polarity-free, so + and \u2013 connections can be interchanged.<\/p>\n<p><strong>Q6: What endurance does the NL1 provide?<\/strong><br \/>\nA6: It offers 18,000 mechanical operations and 2,000 electrical operations.<\/p>\n<p><strong>Q7: Can the NL1 be installed on DIN rails?<\/strong><br \/>\nA7: Yes, the NL1 is designed for 35 mm DIN-rail installation.<\/p>\n<p><strong>Q8: What current ratings are supported?<\/strong><br \/>\nA8: NL1 models are available in 16A, 25A, and 32A ratings.<\/p>\n<p><strong>Q9: What applications is NL1 most suited for?<\/strong><br \/>\nA9: It is ideal for residential and commercial PV systems where standard compact DIN-rail mounting is required.<\/p>\n<p><strong>Q10: Is OEM\/ODM customization available?<\/strong><br \/>\nA10: Yes, OEM\/ODM labeling and customization are available on request.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"350\" data-end=\"423\">\n<p data-start=\"353\" data-end=\"423\">NL1 series <strong data-start=\"364\" data-end=\"390\">dc disconnector switch<\/strong>, DIN-rail 2P\/4P up to 1200VDC.<\/p>\n<\/li>\n<li data-start=\"424\" data-end=\"489\">\n<p data-start=\"427\" data-end=\"489\">IP20 protection, black rotary handle with compact structure.<\/p>\n<\/li>\n<li data-start=\"490\" data-end=\"573\">\n<p data-start=\"493\" data-end=\"573\">IEC 60947-3 compliant, ideal for <strong data-start=\"526\" data-end=\"547\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/strong> and inverter DC panels<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":839,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[],"class_list":{"0":"post-787","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dc-switch-disconnector","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product\/787","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=787"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/839"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=787"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=787"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=787"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}