{"id":1884,"date":"2026-07-30T11:23:26","date_gmt":"2026-07-30T03:23:26","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/wlm6-series-industrial-thermal-magnetic-type-circuit-breaker-400v-690v-250a-3-4-poles\/"},"modified":"2026-07-30T11:23:29","modified_gmt":"2026-07-30T03:23:29","slug":"wlm6-series-industrial-thermal-magnetic-type-circuit-breaker-400v-690v-250a-3-4-poles","status":"publish","type":"product","link":"https:\/\/w9-group.com\/ja\/product\/wlm6-series-industrial-thermal-magnetic-type-circuit-breaker-400v-690v-250a-3-4-poles\/","title":{"rendered":"MCCB\u906e\u65ad\u5668 WLM6\u30b7\u30ea\u30fc\u30ba\u7523\u696d\u7528\u30b5\u30fc\u30de\u30eb\u78c1\u6c17\u30bf\u30a4\u30d7\u906e\u65ad\u5668 400V\/690V 250A 3\/4\u6975"},"content":{"rendered":"<h2>\nMCCB\u00a0Highlights<br \/>\n<\/h2>\n<p>Alloy contact with high silver content: the silver content can reach 95%<\/p>\n<p>\n1. High silver content, high conductivity, thermal conductivity, arc resistance, electric wear resistance,<br \/>\n<br \/>\n2. Preparation of dynamic and static contact material standards and reliable process guarantee, improving the electrical life of circuit breaker by 50%<br \/>\nOne of the key advantages of RCCBs is their ability to provide enhanced<br \/>\nprotection against electric shock. They are particularly effective in<br \/>\ndetecting small leakage currents that may not be detected by traditional<br \/>\n circuit breakers, thus significantly reducing the risk of electrical<br \/>\naccidents.<\/p>\n<h2>\nMain performance index of WLM6 series circuit breaker<br \/>\n<\/h2>\n<table>\n<tbody>\n<tr>\n<td colspan=\"10\">\nWLM6 Moulded Case Circuit Breaker<\/td>\n<td colspan=\"5\">250<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" colspan=\"5\">Rated operating\u00a0current In (A),40\u2103<\/td>\n<td colspan=\"5\">Magnetic Type<\/td>\n<td colspan=\"5\">100-125-140-160-180-200-225-250<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Thermal-magnetic type<\/td>\n<td colspan=\"5\">100-125-140-160-180-200-225-250<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Adjustable type<\/td>\n<td colspan=\"5\">100-125-140-160-180-200-225-250<\/td>\n<\/tr>\n<tr>\n<td colspan=\"15\">Electric characteristics<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated insulation voltage Ui (V)<\/td>\n<td colspan=\"5\">1000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated impulse withstand voltage (kV)<\/td>\n<td colspan=\"5\">8<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated operational voltage Ue(V),AC 50\/60Hz<\/td>\n<td colspan=\"5\">380\/400\/415,440,500,660\/690<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Breaking capacity code<\/td>\n<td colspan=\"1\">C<\/td>\n<td colspan=\"1\">S<\/td>\n<td colspan=\"1\">M<\/td>\n<td colspan=\"1\">H<\/td>\n<td colspan=\"1\">Q<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"4\">Number of poles<\/td>\n<td colspan=\"5\">1P(Adjutable has no this type)<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/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\">2P<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/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\">3P<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">4P<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"5\">Number of poles<\/td>\n<td colspan=\"5\">AC220\/230\/240V<\/td>\n<td colspan=\"1\">30<\/td>\n<td colspan=\"1\">50<\/td>\n<td colspan=\"1\">65<\/td>\n<td colspan=\"1\">70<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC380\/400\/415V<\/td>\n<td colspan=\"1\">15<\/td>\n<td colspan=\"1\">30<\/td>\n<td colspan=\"1\">50<\/td>\n<td colspan=\"1\">65<\/td>\n<td colspan=\"1\">100<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC440V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/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\">AC500V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">60<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC660\/690V<\/td>\n<td colspan=\"1\">5<\/td>\n<td colspan=\"1\">8<\/td>\n<td colspan=\"1\">15<\/td>\n<td colspan=\"1\">20<\/td>\n<td colspan=\"1\">20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"5\">Number of poles<\/td>\n<td colspan=\"5\">AC220\/230\/240V<\/td>\n<td colspan=\"1\">20<\/td>\n<td colspan=\"1\">25<\/td>\n<td colspan=\"1\">40<\/td>\n<td colspan=\"1\">50<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC380\/400\/415V<\/td>\n<td colspan=\"1\">10<\/td>\n<td colspan=\"1\">15<\/td>\n<td colspan=\"1\">35<\/td>\n<td colspan=\"1\">50<\/td>\n<td colspan=\"1\">100<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC440V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/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\">AC500V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">60<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC660\/690V<\/td>\n<td colspan=\"1\">3<\/td>\n<td colspan=\"1\">4<\/td>\n<td colspan=\"1\">10<\/td>\n<td colspan=\"1\">15<\/td>\n<td colspan=\"1\">20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"15\"><\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Standard<\/td>\n<td colspan=\"5\">IEC\/EN 60947-2<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Utilization category<\/td>\n<td colspan=\"5\">A<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Ambient temperature<\/td>\n<td colspan=\"5\">-40\u2103 ~+70 \u2103<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Safety of insulation<\/td>\n<td colspan=\"5\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Arcing distance<\/td>\n<td colspan=\"5\">0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">\nMechanical life<br \/>\n(CO recycle)\n<\/td>\n<td colspan=\"5\">Maintenance<\/td>\n<td colspan=\"5\">15000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"2\">\nElectrical life<br \/>\n(CO recycle)\n<\/td>\n<td colspan=\"5\">AC415V,In<\/td>\n<td colspan=\"5\">8000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC690V,In<\/td>\n<td colspan=\"5\">2000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"15\">Release units<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Distribution protection<\/td>\n<td colspan=\"5\">TM<\/td>\n<td colspan=\"5\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Motor protection<\/td>\n<td colspan=\"5\">TM<\/td>\n<td colspan=\"5\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"15\">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=\"5\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"5\">\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=\"5\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"5\">\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=\"5\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"5\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DIN rail<\/td>\n<td colspan=\"5\">Front connection<\/td>\n<td colspan=\"5\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"15\">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 (3P\/4P)<\/td>\n<td colspan=\"5\">105\/140<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Height<\/td>\n<td colspan=\"5\">165\/157(Q type)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Depth<\/td>\n<td colspan=\"5\">68\/88(H&amp;Q type)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"15\">Weight<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"4\">Distribution protection<\/td>\n<td colspan=\"5\">1P<\/td>\n<td colspan=\"5\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">2P<\/td>\n<td colspan=\"5\">&#8211;\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">3P<\/td>\n<td colspan=\"5\">1.933<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">4P<\/td>\n<td colspan=\"5\">2.578<\/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\/wlm6-series-industrial-thermal-magnetic-type-circuit-breaker-400v-690v-2-detail-01.webp\" alt=\"MCCB circuit breaker WLM6 Series industrial thermal magnetic type circuit breaker 400V\/690V 250A 3\/4 Poles detail image 1\" loading=\"lazy\"><img decoding=\"async\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/wlm6-series-industrial-thermal-magnetic-type-circuit-breaker-400v-690v-2-detail-02.webp\" alt=\"MCCB circuit breaker WLM6 Series industrial thermal magnetic type circuit breaker 400V\/690V 250A 3\/4 Poles detail image 2\" loading=\"lazy\"><img decoding=\"async\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/wlm6-series-industrial-thermal-magnetic-type-circuit-breaker-400v-690v-2-detail-03.webp\" alt=\"MCCB circuit breaker WLM6 Series industrial thermal magnetic type circuit breaker 400V\/690V 250A 3\/4 Poles detail image 3\" loading=\"lazy\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Rated Current : 250A Number Of Poles : 3P \/ 4P Rated Working Voltage : 400V\/690V<\/p>","protected":false},"featured_media":1885,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[185,173],"product_tag":[],"class_list":["post-1884","product","type-product","status-publish","has-post-thumbnail","product_cat-thermal-mccb-industrial-products","product_cat-wlm6","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product\/1884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/comments?post=1884"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/media\/1885"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/media?parent=1884"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1884"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1884"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}