{"id":779,"date":"2025-08-29T08:45:33","date_gmt":"2025-08-29T08:45:33","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=779"},"modified":"2025-08-30T04:31:58","modified_gmt":"2025-08-30T04:31:58","slug":"elr1-dc-switch-disconnector-1200v-din-rail","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/elr1-dc-switch-disconnector-1200v-din-rail\/","title":{"rendered":"ELR1 Series DC Switch Disconnector | 2P\/4P 1200VDC DIN-Rail Type"},"content":{"rendered":"<div class=\"product-description\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>ELR1 Series DC Switch Disconnector 1200V DIN rail<\/strong> is designed for photovoltaic (PV) combiner boxes<br \/>\nand DC distribution panels. Available in <strong>2 pole and 4 pole<\/strong> versions, this isolator ensures safe and visible<br \/>\ndisconnection between PV strings, batteries, and inverters. Its compact DIN-rail mounting makes it an ideal<br \/>\n<strong>pv dc isolator switch<\/strong> for system integration.<\/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 switch disconnector 1200V DIN rail<\/strong>, compact and reliable<\/li>\n<li>Available in <strong>2P and 4P<\/strong> configurations with polarity-free design<\/li>\n<li>Voltage ratings: 300V \/ 600V \/ 800V \/ 1000V \/ 1200V DC<\/li>\n<li>Endurance: 18,000 mechanical \/ 2,000 electrical operations<\/li>\n<li>Short-time withstand current: 1kA, 1s; impulse withstand: 8.0kV<\/li>\n<li>\u064a\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 \/ 600 \/ 800 \/ 1000 \/ 1200 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>1kA, 1s<\/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>Service life<\/td>\n<td>18,000 mechanical \/ 2,000 electrical<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Rated Voltage \/ Current \u2014 FMPV16 \/ 25 \/ 32<\/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 (2P\/4P)<\/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 (2P\/4P)<\/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 (2P\/4P)<\/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 DC circuit<\/li>\n<li>4P \u2013 two circuits simultaneously<\/li>\n<li>4T \/ 4B \/ 4S \u2013 4 poles in series, input\/output top\/bottom<\/li>\n<li>2H \u2013 2 poles paralleled 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-781\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/ELR2-switch-disconnector-300x143.png\" alt=\"\" width=\"631\" height=\"301\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/ELR2-switch-disconnector-300x143.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/ELR2-switch-disconnector-768x367.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/ELR2-switch-disconnector-600x287.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/08\/ELR2-switch-disconnector.png 895w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<p>\u0625\u0646 <strong>ELR1 DC switch disconnector 1200V DIN rail<\/strong> is widely 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>,<br \/>\ninverter DC inputs and <a href=\"\/ar\/dc-photovoltaic-protection\/\">DC panels<\/a>. It is often combined with<br \/>\n<a href=\"\/ar\/dc-fuse\/\">\u0635\u0645\u0627\u0645\u0627\u062a gPVV<\/a> \u0648 <a href=\"\/ar\/dc-spd\/\">DC SPDs<\/a> to build a robust PV protection stack.<\/p>\n<p>ELR1 series provides a compact and safe <strong>dc switch disconnector 1200v din rail<\/strong> solution for solar power plants,<br \/>\nresidential rooftops and commercial installations.<\/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 ELR1 DC switch disconnector 1200V DIN rail used for?<\/strong><br \/>\nA1: It is used to safely isolate PV strings, batteries, and inverters inside combiner boxes or distribution panels.<\/p>\n<p><strong>Q2: What are the pole options?<\/strong><br \/>\nA2: Available in 2-pole and 4-pole versions for single or dual circuit isolation.<\/p>\n<p><strong>Q3: What is the maximum voltage supported?<\/strong><br \/>\nA3: The ELR1 series supports up to 1200VDC.<\/p>\n<p><strong>Q4: Can it be used as a PV DC isolator switch?<\/strong><br \/>\nA4: Yes, it is designed as a compact <strong>PV DC isolator switch<\/strong> for solar systems.<\/p>\n<p><strong>Q5: Is polarity fixed?<\/strong><br \/>\nA5: No, the device is polarity-free, meaning + and \u2212 can be interchanged safely.<\/p>\n<p><strong>Q6: What standards does it meet?<\/strong><br \/>\nA6: It complies with IEC 60947-3 (DC-PV2 \/ DC-PV1 \/ DC-21B).<\/p>\n<p><strong>Q7: What is the service life?<\/strong><br \/>\nA7: 18,000 mechanical operations and 2,000 electrical operations.<\/p>\n<p><strong>Q8: Can the ELR1 DC switch disconnector 1200V DIN rail be installed outdoors?<\/strong><br \/>\nA8: It is recommended for indoor panel integration. For outdoor standalone use, see the <a href=\"\/ar\/elr2-dc-switch-disconnector-1200v\/\">ELR2 series<\/a>.<\/p>\n<p><strong>Q9: Which accessories are recommended?<\/strong><br \/>\nA9: Use with gPV DC fuses, DC SPDs, and lockable handles for maximum safety.<\/p>\n<p><strong>Q10: Is OEM\/ODM available?<\/strong><br \/>\nA10: Yes, labeling and customization are available upon request.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"337\" data-end=\"438\">\n<p data-start=\"340\" data-end=\"438\">DC switch disconnector (ELR1 series) for photovoltaic systems, available in 2P\/4P up to 1200VDC.<\/p>\n<\/li>\n<li data-start=\"439\" data-end=\"530\">\n<p data-start=\"442\" data-end=\"530\">Compact DIN-rail installation, suitable for PV combiner boxes and distribution panels.<\/p>\n<\/li>\n<li data-start=\"531\" data-end=\"618\">\n<p data-start=\"534\" data-end=\"618\">IEC60947-3 compliant, high endurance, designed for safe and reliable DC isolation.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":790,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[],"class_list":{"0":"post-779","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\/779","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=779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/790"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=779"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=779"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=779"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}