{"id":1995,"date":"2026-07-30T11:24:24","date_gmt":"2026-07-30T03:24:24","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\/"},"modified":"2026-07-30T11:24:28","modified_gmt":"2026-07-30T03:24:28","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","status":"publish","type":"product","link":"https:\/\/w9-group.com\/fa\/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\/","title":{"rendered":"WLM7DC-400A-2300 2Poles WLM7DC Series Photovoltaic solar type dc mccb 250vdc\/500vdc\/750VDC\/1000VDC\/1500VDC 250A 3 Poles solar mccb"},"content":{"rendered":"

\nMCCB\u00a0Highlights
\n<\/h2>\n

WLM7DC MCCB: Application field of centralized inverter: PV string is output to DC combiner box for confluence, and then DC\/AC inverter is used for inversion. After AC output, the voltage is boosted and connected to the grid. DC combiner box and DC side of inverter shall be equipped with DC circuit breaker, with working voltage of DC1000V \u2192 DC1500V.
\n
\nRemote Monitoring and Communication Capabilities
\nIn the era of smart and connected systems, the ability to remotely monitor and communicate with electrical components is becoming increasingly important. DC MCCBs are equipped with advanced communication capabilities, allowing for remote monitoring of their status, trip events, and operational parameters. This level of connectivity enables proactive maintenance and troubleshooting, leading to improved system reliability and reduced downtime.
\nFurthermore, remote communication capabilities also facilitate integration with supervisory control and data acquisition (SCADA) systems, allowing for centralized monitoring and control of DC MCCBs across multiple locations. This level of integration enhances the overall visibility and management of the electrical infrastructure, contributing to improved operational efficiency and maintenance practices.<\/p>\n

\nMain performance index of WLM7DC\u00a0 series circuit breaker
\n<\/h2>\n\n\n\n\n<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\nWLM7DC Moulded Case Circuit Breaker<\/td>\n400Q<\/td>\n<\/tr>\n
Rated operating current In (A),40\u2103<\/td>\n250-280-315-320-350-400<\/td>\n<\/tr>\n
Rated insulation voltage Ui (V)<\/td>\n1500<\/td>\n<\/tr>\n
Rated impulse withstand voltage (kV)<\/td>\n12<\/td>\n<\/tr>\n
Rated operational voltage Ue(V),AC 50\/60Hz<\/td>\n110\/250\/500\/750\/1000\/1200\/1500<\/td>\n<\/tr>\n
Breaking capacity code<\/td>\n–<\/td>\nM<\/td>\nH<\/td>\n<\/tr>\n
Number of poles<\/td>\n\n2P<\/td>\n–<\/td>\n–<\/td>\n\u25a0<\/td>\n<\/tr>\n
3P<\/td>\n–<\/td>\n–<\/td>\n\u25a0<\/td>\n<\/tr>\n
DC250V<\/td>\n–<\/td>\n–<\/td>\n50<\/td>\n<\/tr>\n
DC500V<\/td>\n–<\/td>\n–<\/td>\n50<\/td>\n<\/tr>\n
\nRated ultimate
\nshort-circuit breaking
\ncapacity Icu(kA)\n<\/td>\n		DC750V<\/td>\n–<\/td>\n–<\/td>\n25<\/td>\n<\/tr>\n
DC1000V<\/td>\n–<\/td>\n–<\/td>\n25(3P40)<\/td>\n<\/tr>\n
DC1250V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
DC1500V<\/td>\n–<\/td>\n–<\/td>\n10(3P30)<\/td>\n<\/tr>\n
\nRated service breaking
\ncapacity Ics(kA)\n<\/td>\n		DC250V<\/td>\n–<\/td>\n–<\/td>\n50<\/td>\n<\/tr>\n
DC500V<\/td>\n–<\/td>\n–<\/td>\n50<\/td>\n<\/tr>\n
DC750V<\/td>\n–<\/td>\n–<\/td>\n25<\/td>\n<\/tr>\n
DC1000V<\/td>\n–<\/td>\n–<\/td>\n25(3P40)<\/td>\n<\/tr>\n
DC1250V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
DC1500V<\/td>\n–<\/td>\n–<\/td>\n10(3P30)<\/td>\n<\/tr>\n
Standard<\/td>\n<\/td>\n<\/tr>\n
Utilization category<\/td>\nA<\/td>\n<\/tr>\n
Ambient temperature<\/td>\n<\/td>\n<\/tr>\n
Safety of insulation<\/td>\n\u25a0<\/td>\n<\/tr>\n
Arcing distance<\/td>\n0<\/td>\n<\/tr>\n
\nMechanical life
\n(CO recycle)\n<\/td>\n		Maintenance free<\/td>\n20000<\/td>\n<\/tr>\n
\nElectrical life
\n(CO recycle)\n<\/td>\n		Maintenance free<\/td>\n2000(DC1500V is :1000times)<\/td>\n<\/tr>\n
Release units<\/td>\n<\/tr>\n
Distribution protection<\/td>\nTM<\/td>\n\u25a0<\/td>\n<\/tr>\n
Mounting and connection<\/td>\n<\/tr>\n
Fixed<\/td>\nFront connection<\/td>\n\u25a0<\/td>\n<\/tr>\n
Rear connection<\/td>\n\u25a0<\/td>\n<\/tr>\n
Plug-in<\/td>\nFront connection<\/td>\n\u25a0<\/td>\n<\/tr>\n
Rear connection<\/td>\n\u25a0<\/td>\n<\/tr>\n
Draw-out\n<\/td>\nFront connection<\/td>\n–<\/td>\n<\/tr>\n
Rear connection<\/td>\n–<\/td>\n<\/tr>\n
DIN rail<\/td>\nFront connection<\/td>\n\u25a0<\/td>\n<\/tr>\n
Dimension<\/td>\n<\/tr>\n
\nDimension (mm)
\nW\u00d7H\u00d7D\n<\/td>\n		Width<\/td>\n130\/182<\/td>\n<\/tr>\n
Height<\/td>\n270<\/td>\n<\/tr>\n
Depth<\/td>\n125.8<\/td>\n<\/tr>\n
Weight<\/td>\n<\/tr>\n
Weight(kg)\/Fixed<\/td>\n2P<\/td>\n2.5<\/td>\n<\/tr>\n
3P<\/td>\n3.2<\/td>\n<\/tr>\n
4P<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\nOverall and installation dimensions of circuit breaker
\n<\/h2>\n

\"WLM7DC-400A-2300<\/p>","protected":false},"excerpt":{"rendered":"

Rated Current : 400A Number Of Poles : 2P Rated Working Voltage : 800V<\/p>","protected":false},"featured_media":1996,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[99,105,179],"product_tag":[],"class_list":["post-1995","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\/fa\/wp-json\/wp\/v2\/product\/1995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/comments?post=1995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/media\/1996"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/media?parent=1995"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product_brand?post=1995"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product_cat?post=1995"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product_tag?post=1995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}