{"id":2371,"date":"2026-07-30T11:28:49","date_gmt":"2026-07-30T03:28:49","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/wlm6ly-250a-4300-4p-wlm6l-series-earth-leakage-protection-type-residual-current-circuit-breaker-400v\/"},"modified":"2026-07-30T11:28:52","modified_gmt":"2026-07-30T03:28:52","slug":"wlm6ly-250a-4300-4p-wlm6l-series-earth-leakage-protection-type-residual-current-circuit-breaker-400v","status":"publish","type":"product","link":"https:\/\/w9-group.com\/es\/product\/wlm6ly-250a-4300-4p-wlm6l-series-earth-leakage-protection-type-residual-current-circuit-breaker-400v\/","title":{"rendered":"MCCB circuit breaker WLM6LY-250A-4300 4P WLM6L Series earth leakage protection type Residual Current 400V 250A 3 poles 4 Poles"},"content":{"rendered":"<h2>\nAdvantages of RCCB<br \/>\n<\/h2>\n<p>1. Compliance with Safety Standards: RCCBs are designed and tested to comply with international safety standards, ensuring that they meet stringent requirements for performance and reliability. Using RCCBs that meet these standards helps ensure that electrical installations are safe and in compliance with regulations.<br \/>\n2. Versatility: RCCBs are available in various types and configurations to suit different applications and electrical systems. They can be used in single-phase and three-phase installations, and there are options for different sensitivity levels to accommodate specific requirements.<\/p>\n<h2>\nMain performance index of WLM6LY series circuit breaker<br \/>\n<\/h2>\n<table>\n<tbody>\n<tr>\n<td colspan=\"10\">\nWLM6LY Moulded Case Circuit Breaker<\/td>\n<td colspan=\"4\">250<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" colspan=\"5\">Rated current (A) of circuit breaker 40\u2103<\/td>\n<td colspan=\"5\">Fix type<\/td>\n<td colspan=\"4\">\n100-125-140-150-160<br \/>\n175-180-200-225-250\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Lcd type<\/td>\n<td colspan=\"4\">\n100-125-140-150-160<br \/>\n175-180-200-225-250\n<\/td>\n<\/tr>\n<tr><\/tr>\n<tr>\n<td colspan=\"10\">Rated insulation voltage Ui (V)<\/td>\n<td colspan=\"4\">1000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated impulse withstand voltage (kV)<\/td>\n<td colspan=\"4\">8<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Rated operational voltage Ue(V),AC 50\/60Hz<\/td>\n<td colspan=\"4\">AC400V<\/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<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"3\">Number of poles<\/td>\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<\/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\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">4P<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<td colspan=\"1\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"2\">\nRated ultimate<br \/>\nshort-circuit breaking<br \/>\ncapacity Icu (kA)\n<\/td>\n<td colspan=\"5\">AC380\/400\/415V<\/td>\n<td colspan=\"1\">15<\/td>\n<td colspan=\"1\">25<\/td>\n<td colspan=\"1\">35<\/td>\n<td colspan=\"1\">50<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC380\/400\/415V<\/td>\n<td colspan=\"1\">10<\/td>\n<td colspan=\"1\">18<\/td>\n<td colspan=\"1\">25<\/td>\n<td colspan=\"1\">35<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">\nRated residual making and breaking capacity<br \/>\nI\u25b3 m(kA)\n<\/td>\n<td colspan=\"5\">AC220\/230\/240V<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td colspan=\"1\">12.5<\/td>\n<td colspan=\"1\">12.5<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Limit non-actuating time \u25b3 t (ms)<\/td>\n<td colspan=\"4\">0.06s\/0.2s\/0.5s\/1s<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Leakage alarm non-tripping function<\/td>\n<td colspan=\"4\">\u25a1<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">overcurrent tripping type<\/td>\n<td colspan=\"4\">Themal type<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Leakage tripping type<\/td>\n<td colspan=\"4\">Electronic Type<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Residual current type<\/td>\n<td colspan=\"4\">AC<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Standard<\/td>\n<td colspan=\"4\">IEC\/EN 60947-2<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Utilization category<\/td>\n<td colspan=\"4\">A<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Ambient temperature<\/td>\n<td colspan=\"4\">-40\u2103 ~+70 \u2103<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Safety of insulation<\/td>\n<td colspan=\"4\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"10\">Arcing distance<\/td>\n<td colspan=\"4\">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=\"4\">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=\"4\">8000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">AC690V,In<\/td>\n<td colspan=\"4\">2000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"14\">Release units<\/td>\n<\/tr>\n<tr>\n<td colspan=\"14\">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=\"4\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"4\">\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=\"4\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"4\">\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=\"4\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Rear connection<\/td>\n<td colspan=\"4\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">DIN rail<\/td>\n<td colspan=\"5\">Front connection<\/td>\n<td colspan=\"4\">\u25a0<\/td>\n<\/tr>\n<tr>\n<td colspan=\"14\">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 (2P\/3P\/4P)<\/td>\n<td colspan=\"4\">-\/105\/140<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Height<\/td>\n<td colspan=\"4\">165<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Depth<\/td>\n<td colspan=\"4\">68<\/td>\n<\/tr>\n<tr>\n<td colspan=\"14\">Weight<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" rowspan=\"3\">Distribution protection<\/td>\n<td colspan=\"5\">2P<\/td>\n<td colspan=\"4\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">3P<\/td>\n<td colspan=\"4\">1.532<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">4P<\/td>\n<td colspan=\"4\">2.024<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Rated Current : 250A Number Of Poles : 3P\/4P Rated Working Voltage : 400V\/690V<\/p>","protected":false},"featured_media":2372,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[79,178],"product_tag":[],"class_list":["post-2371","product","type-product","status-publish","has-post-thumbnail","product_cat-rccb","product_cat-wlm6ly","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product\/2371","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=2371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/media\/2372"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/media?parent=2371"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_brand?post=2371"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_cat?post=2371"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_tag?post=2371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}