{"id":2000,"date":"2026-07-30T11:24:29","date_gmt":"2026-07-30T03:24:29","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/wlm7dc-400a-2300-2p-3p-wlm7dc-series-photovoltaic-solar-type-molded-case-circuit-breakers-250vdc-500vdc-750vdc-1000vdc-1500vdc-400a-photovoltaic-dc-circuit-breaker-2-1\/"},"modified":"2026-07-30T11:24:31","modified_gmt":"2026-07-30T03:24:31","slug":"wlm7dc-400a-2300-2p-3p-wlm7dc-series-photovoltaic-solar-type-molded-case-circuit-breakers-250vdc-500vdc-750vdc-1000vdc-1500vdc-400a-photovoltaic-dc-circuit-breaker-2-1","status":"publish","type":"product","link":"https:\/\/w9-group.com\/es\/product\/wlm7dc-400a-2300-2p-3p-wlm7dc-series-photovoltaic-solar-type-molded-case-circuit-breakers-250vdc-500vdc-750vdc-1000vdc-1500vdc-400a-photovoltaic-dc-circuit-breaker-2-1\/","title":{"rendered":"WLM7DC-630A-2300 2poles WLM7DC Series Photovoltaic solar type dc mccb solar mccb 250vdc\/500vdc\/750VDC\/1000VDC\/1500VDC dc 250A 2 P"},"content":{"rendered":"<h2>\nMCCB\u00a0Highlights<br \/>\n<\/h2>\n<p>WLM7DC small ampere has the structural characteristics of high protection accuracy and long service life.<br \/>\nThe mechanism components and release are designed and optimized on the M6 structure platform, ensuring the reliability and tripping accuracy. Mechanical life: 10000 times, electrical life: 2000 times<br \/>\nUsage scenario of WLM7DC solar mccb<br \/>\nWLM7DC patented technology &amp; design innovation<br \/>\n1. Large opening distance<br \/>\n2. Large capacity metal anti-dissociation grid<br \/>\n3. Narrow slit pressurized air blowing solution<br \/>\n4\u3001Enhanced Coordination and Selectivity<br \/>\nCoordination and selectivity are critical aspects of electrical protection, especially in complex DC systems where multiple MCCBs may be installed in series. DC MCCBs are designed to offer enhanced coordination and selectivity features, ensuring that in the event of a fault, only the MCCB closest to the fault location trips, minimizing the impact on the rest of the system.<br \/>\nThis selective coordination is essential for maintaining continuity of power to unaffected areas of the DC system, preventing unnecessary shutdowns and disruptions. Additionally, the ability to coordinate multiple MCCBs ensures that the protection scheme is optimized for the specific characteristics of the DC installation, providing a tailored and reliable protection solution<\/p>\n<h2>\nMain performance index of WLM7DC\u00a0 series circuit breaker<br \/>\n<\/h2>\n<table>\n<tbody>\n<tr>\n<td colspan=\"10\">\nWLM7DC Moulded Case Circuit Breaker<\/td>\n<td colspan=\"3\">630Q<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated operating current In (A),40\u2103<\/td>\n<td colspan=\"4\">450-500-630<\/td>\n<\/tr>\n<tr><\/tr>\n<tr>\n<td colspan=\"10\">Rated insulation voltage Ui (V)<\/td>\n<td colspan=\"3\">1500<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated impulse withstand voltage (kV)<\/td>\n<td colspan=\"3\">12<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated operational voltage Ue(V),AC 50\/60Hz<\/td>\n<td colspan=\"3\">110\/250\/500\/750\/1000\/1200\/1500<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Breaking capacity code<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">M<\/td>\n<td colspan=\"1\">H<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"4\">Number of poles<\/td>\n<td colspan=\"5\">\n2P<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">3P<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC250V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">70<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC500V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">70<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"4\">\nRated ultimate<br \/>\nshort-circuit breaking<br \/>\ncapacity Icu(kA)\n<\/td>\n<td colspan=\"5\">DC750V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">50<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC1000V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">50<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC1250V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC1500V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"6\">\nRated service breaking<br \/>\ncapacity Ics(kA)\n<\/td>\n<td colspan=\"5\">DC250V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">70<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC500V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">70<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC750V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">50<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC1000V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">50<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC1250V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DC1500V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">20<\/td>\n<\/tr>\n<tr><\/tr>\n<tr>\n<td colspan=\"10\">Standard<\/td>\n<td colspan=\"3\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Utilization category<\/td>\n<td colspan=\"3\">A<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Ambient temperature<\/td>\n<td colspan=\"3\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Safety of insulation<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Arcing distance<\/td>\n<td colspan=\"3\">0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">\nMechanical life<br \/>\n(CO recycle)\n<\/td>\n<td colspan=\"5\">Maintenance free<\/td>\n<td colspan=\"3\">15000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"1\">\nElectrical life<br \/>\n(CO recycle)\n<\/td>\n<td colspan=\"5\">Maintenance free<\/td>\n<td colspan=\"3\">2000(DC1500V is :1000times)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"13\">Release units<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Distribution protection<\/td>\n<td colspan=\"5\">TM<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"13\">Mounting and connection<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"2\">Fixed<\/td>\n<td colspan=\"5\">Front connection<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"2\">Plug-in<\/td>\n<td colspan=\"5\">Front connection<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"2\">Draw-out\n<\/td>\n<td colspan=\"5\">Front connection<\/td>\n<td colspan=\"3\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"3\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DIN rail<\/td>\n<td colspan=\"5\">Front connection<\/td>\n<td colspan=\"3\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"13\">Dimension<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"3\">\nDimension (mm)<br \/>\nW\u00d7H\u00d7D\n<\/td>\n<td colspan=\"5\">Width<\/td>\n<td colspan=\"3\">106<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Height<\/td>\n<td colspan=\"3\">275<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Depth<\/td>\n<td colspan=\"3\">154.5<\/td>\n<\/tr>\n<tr>\n<td colspan=\"13\">Weight<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"3\">Weight(kg)\/Fixed<\/td>\n<td colspan=\"5\">2P<\/td>\n<td colspan=\"3\">5.85<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">3P<\/td>\n<td colspan=\"3\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">4P<\/td>\n<td colspan=\"3\">&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\nOverall and installation dimensions of circuit breaker<br \/>\n<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/wlm7dc-400a-2300-2p-3p-wlm7dc-series-photovoltaic-solar-type-molded-case-detail-01-1.webp\" alt=\"WLM7DC-630A-2300 2poles WLM7DC Series Photovoltaic solar type dc mccb solar mccb 250vdc\/500vdc\/750VDC\/1000VDC\/1500VDC dc 250A 2 P detail image 1\" loading=\"lazy\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Rated Current : 630A Number Of Poles : 2P Rated Working Voltage : 800V<\/p>","protected":false},"featured_media":2001,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[99,105,179],"product_tag":[],"class_list":["post-2000","product","type-product","status-publish","has-post-thumbnail","product_cat-dc-mccb","product_cat-wlm7dc","product_cat-wlm7dc-all-product","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product\/2000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/comments?post=2000"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/media\/2001"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/media?parent=2000"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_brand?post=2000"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_cat?post=2000"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_tag?post=2000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}