{"id":786,"date":"2025-08-29T09:26:33","date_gmt":"2025-08-29T09:26:33","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=786"},"modified":"2025-08-30T09:18:58","modified_gmt":"2025-08-30T09:18:58","slug":"dc-fuse-switch-disconnector-l2","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/dc-fuse-switch-disconnector-l2\/","title":{"rendered":"L2 Series DC Switch-Disconnector | Red\/Yellow Handle Press-Lock"},"content":{"rendered":"<div class=\"product-description\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>dc fuse switch-disconnector<\/strong> L2 series combines reliable electrical performance with<br \/>\nenhanced operator visibility. With ratings up to <strong>1200VDC<\/strong> \u0641\u064a <strong>2P and 4P<\/strong> models,<br \/>\nit is designed for <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> \u0648<br \/>\n<a href=\"\/ar\/dc-photovoltaic-protection\/\">DC panels<\/a>.<br \/>\nThe L2 features a distinctive **red rotary handle with a yellow safety plate**, using a <em>press-to-lock<\/em> mechanism<br \/>\nfor fast and secure isolation, making it suitable for industrial and commercial PV systems.<\/p>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li><strong>DIN-rail mounted dc fuse switch-disconnector<\/strong>, IP20<\/li>\n<li>Red\/yellow handle with press-to-lock design for high visibility<\/li>\n<li>2P and 4P models available, polarity-free wiring<\/li>\n<li>Voltage ratings: 300 \/ 600 \/ 800 \/ 1000 \/ 1200 VDC<\/li>\n<li>Current ratings: 16A \/ 25A \/ 32A<\/li>\n<li>Durability: 18k mechanical \/ 2k electrical operations<\/li>\n<li>Withstand: 1 kA, 1s short-time; 8.0 kV impulse<\/li>\n<li>Standard: <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>Pole options<\/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 current (Icw)<\/td>\n<td>1 kA, 1 s<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u0635\u0645\u0648\u062f \u0627\u0644\u0646\u0628\u0636\u064a (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>\u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0645\u0644<\/td>\n<td>18,000 mechanical \/ 2,000 electrical<\/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-L2<\/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-L2<\/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-L2<\/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 single PV string<\/li>\n<li>4P \u2013 dual strings isolation<\/li>\n<li>4T \/ 4B \/ 4S \u2013 series wiring options<\/li>\n<li>2H \u2013 parallel poles for higher current<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-785\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L2-switch-disconnector-300x166.png\" alt=\"dc fuse switch-disconnector dimension\" width=\"614\" height=\"340\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L2-switch-disconnector-300x166.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L2-switch-disconnector-600x331.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/L2-switch-disconnector.png 744w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<p>The L2 <strong>dc fuse switch-disconnector<\/strong> is recommended for PV systems where high visibility of<br \/>\nthe isolator switch is important. The red\/yellow handle provides clear operator indication.<br \/>\n\u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u0640 <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>,<br \/>\n<a href=\"\/ar\/dc-photovoltaic-protection\/\">DC panels<\/a>, and inverter DC inputs.<br \/>\nCombine with <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> \u0648 <a href=\"\/ar\/dc-spd\/\">surge protectors<\/a> for complete safety.<\/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 L2 dc fuse switch-disconnector used for?<\/strong><br \/>\nA1: The L2 is designed for isolating PV circuits in DC distribution panels and combiner boxes, providing high visibility during maintenance.<\/p>\n<p><strong>Q2: What versions are available in the L2 series?<\/strong><br \/>\nA2: The L2 is available in 2-pole (2P) and 4-pole (4P) versions, supporting up to 1200VDC.<\/p>\n<p><strong>Q3: What is the handle design of the L2?<\/strong><br \/>\nA3: The L2 features a red rotary handle with a yellow safety plate, using a press-to-lock mechanism.<\/p>\n<p><strong>Q4: What is the ingress protection level of L2?<\/strong><br \/>\nA4: The L2 is rated IP20, making it suitable for indoor installations.<\/p>\n<p><strong>Q5: Does the L2 comply with IEC standards?<\/strong><br \/>\nA5: 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>Q6: What endurance does the L2 provide?<\/strong><br \/>\nA6: The L2 offers 18,000 mechanical and 2,000 electrical operations.<\/p>\n<p><strong>Q7: Can L2 be installed on DIN-rails?<\/strong><br \/>\nA7: Yes, the L2 is designed for 35 mm DIN-rail mounting inside DC panels.<\/p>\n<p><strong>Q8: What current ratings are supported?<\/strong><br \/>\nA8: Models are available for 16A, 25A, and 32A applications.<\/p>\n<p><strong>Q9: What applications are best suited for L2?<\/strong><br \/>\nA9: L2 is recommended for commercial and industrial PV systems that require high visibility isolators with clear ON\/OFF status indication.<\/p>\n<p><strong>Q10: Is OEM\/ODM support offered?<\/strong><br \/>\nA10: Yes, customized labeling and design support are available.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"4672\" data-end=\"4753\">\n<p data-start=\"4675\" data-end=\"4753\">L2 series <strong data-start=\"4685\" data-end=\"4716\">dc fuse switch-disconnector<\/strong>, available in 2P\/4P up to 1200VDC.<\/p>\n<\/li>\n<li data-start=\"4754\" data-end=\"4837\">\n<p data-start=\"4757\" data-end=\"4837\">DIN-rail type, IP20, <strong data-start=\"4778\" data-end=\"4815\">red\/yellow high-visibility handle<\/strong> with press-to-lock.<\/p>\n<\/li>\n<li data-start=\"4838\" data-end=\"4913\">\n<p data-start=\"4841\" data-end=\"4913\">IEC 60947-3 compliant; safe solution for PV panels and combiner boxes.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":825,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[],"class_list":{"0":"post-786","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\/786","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=786"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/825"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=786"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=786"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=786"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}