{"id":1895,"date":"2026-07-30T11:23:33","date_gmt":"2026-07-30T03:23:33","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/wlm6-400a-3300-3p-4p-wlm6-series-400vac-thermal-magnetic-type-moulded-case-circuit-breaker-400v-690v\/"},"modified":"2026-07-30T11:23:36","modified_gmt":"2026-07-30T03:23:36","slug":"wlm6-400a-3300-3p-4p-wlm6-series-400vac-thermal-magnetic-type-moulded-case-circuit-breaker-400v-690v","status":"publish","type":"product","link":"https:\/\/w9-group.com\/fa\/product\/wlm6-400a-3300-3p-4p-wlm6-series-400vac-thermal-magnetic-type-moulded-case-circuit-breaker-400v-690v\/","title":{"rendered":"MCCB circuit breaker WLM6-400A-3300 3P\/4P WLM6 Series 400vac Thermal magnetic type moulded case circuit breaker 400V\/690V 400A 3\/4 Poles"},"content":{"rendered":"

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

Our commitment to excellence
\n is evident in our meticulous selection of materials. We utilize
\nhigh-quality high carbon steel and low carbon cold rolled steel to
\nensure the utmost durability and performance of our products. The main
\niron parts are crafted from iron base materials, specifically cold
\nrolled steel 10 # steel, known for its exceptional strength and
\nresilience. By employing A+ materials throughout our manufacturing
\nprocess, we guarantee the reliability and longevity of our products.<\/p>\n

Furthermore, our dedication to enhancing the properties of our
\nmaterials is exemplified through the implementation of QPQ salt bath
\ncomposite treatment. This advanced treatment significantly improves the
\nwear resistance, corrosion resistance, and fatigue resistance of the
\nmetal surface, ensuring that our products can withstand the harshest
\noperating conditions. As a result, the strength, mechanical life, and
\nelectrical life of our parts are enhanced by more than 10%, providing
\nour customers with superior performance and peace of mind.<\/p>\n

In summary, our unwavering commitment to utilizing top-quality
\nmaterials and employing advanced treatments underscores our dedication
\nto delivering products that exceed industry standards and meet the
\ndiverse needs of our customers.<\/p>\n

\nMain performance index of WLM6 series circuit breaker
\n<\/h2>\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\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\n\n\n
\nWLM6 Moulded Case Circuit Breaker<\/td>\n400<\/td>\n<\/tr>\n
Rated operating\u00a0current In (A),40\u2103<\/td>\nMagnetic Type<\/td>\n250-315-350-400<\/td>\n<\/tr>\n
Thermal-magnetic type<\/td>\n250-315-350-400<\/td>\n<\/tr>\n
Adjustable type<\/td>\n250-315-350-400<\/td>\n<\/tr>\n
Electric characteristics<\/td>\n<\/tr>\n
Rated insulation voltage Ui (V)<\/td>\n1000<\/td>\n<\/tr>\n
Rated impulse withstand voltage (kV)<\/td>\n8<\/td>\n<\/tr>\n
Rated operational voltage Ue(V),AC 50\/60Hz<\/td>\n380\/400\/415,440,500,660\/690<\/td>\n<\/tr>\n
Breaking capacity code<\/td>\nC<\/td>\nS<\/td>\nM<\/td>\nH<\/td>\nQ<\/td>\n<\/tr>\n
Number of poles<\/td>\n1P(Adjutable has no this type)<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
2P<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
3P<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n<\/tr>\n
4P<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n<\/tr>\n
Number of poles<\/td>\nAC220\/230\/240V<\/td>\n–<\/td>\n50<\/td>\n65<\/td>\n70<\/td>\n–<\/td>\n<\/tr>\n
AC380\/400\/415V<\/td>\n–<\/td>\n30<\/td>\n70<\/td>\n100<\/td>\n150<\/td>\n<\/tr>\n
AC440V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
AC500V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n65<\/td>\n<\/tr>\n
AC660\/690V<\/td>\n–<\/td>\n8<\/td>\n20<\/td>\n25<\/td>\n20<\/td>\n<\/tr>\n
Number of poles<\/td>\nAC220\/230\/240V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
AC380\/400\/415V<\/td>\n–<\/td>\n15<\/td>\n50<\/td>\n70<\/td>\n150<\/td>\n<\/tr>\n
AC440V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
AC500V<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n65<\/td>\n<\/tr>\n
AC660\/690V<\/td>\n–<\/td>\n4<\/td>\n10<\/td>\n4<\/td>\n20<\/td>\n<\/tr>\n
<\/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<\/td>\n15000<\/td>\n<\/tr>\n
\nElectrical life
\n(CO recycle)\n<\/td>\n		AC415V,In<\/td>\n8000<\/td>\n<\/tr>\n
AC690V,In<\/td>\n1500<\/td>\n<\/tr>\n
Release units<\/td>\n<\/tr>\n
Distribution protection<\/td>\nTM<\/td>\n\u25a0<\/td>\n<\/tr>\n
Motor 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 (3P\/4P)<\/td>\n140\/184<\/td>\n<\/tr>\n
Height<\/td>\n257<\/td>\n<\/tr>\n
Depth<\/td>\n103\/111(Q type)<\/td>\n<\/tr>\n
Weight<\/td>\n<\/tr>\n
Distribution protection<\/td>\n1P<\/td>\n–<\/td>\n<\/tr>\n
2P<\/td>\n–\n<\/td>\n<\/tr>\n
3P<\/td>\n4.68<\/td>\n<\/tr>\n
4P<\/td>\n6.314<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

\"MCCB\"MCCB<\/p>","protected":false},"excerpt":{"rendered":"

Rated Current : 400A Number Of Poles : 3P \/ 4P Rated Working Voltage : 400V\/690V<\/p>","protected":false},"featured_media":1896,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[185,173],"product_tag":[],"class_list":["post-1895","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\/fa\/wp-json\/wp\/v2\/product\/1895","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=1895"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/media\/1896"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/media?parent=1895"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product_brand?post=1895"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product_cat?post=1895"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/fa\/wp-json\/wp\/v2\/product_tag?post=1895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}