{"id":2392,"date":"2026-07-30T11:29:03","date_gmt":"2026-07-30T03:29:03","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/wlm6ly-630a-4300-4p-wlm6l-series-earth-leakage-protection-type-circuit-breaker-400v-630a-3-poles-4-p\/"},"modified":"2026-07-30T11:29:06","modified_gmt":"2026-07-30T03:29:06","slug":"wlm6ly-630a-4300-4p-wlm6l-series-earth-leakage-protection-type-circuit-breaker-400v-630a-3-poles-4-p","status":"publish","type":"product","link":"https:\/\/w9-group.com\/es\/product\/wlm6ly-630a-4300-4p-wlm6l-series-earth-leakage-protection-type-circuit-breaker-400v-630a-3-poles-4-p\/","title":{"rendered":"MCCB circuit breaker WLM6LY-630A-4300 4P WLM6L Series earth leakage protection type circuit breaker 400V 630a 3 poles 4 Poles"},"content":{"rendered":"

\nFunction of RCCB
\n<\/h2>\n

Test Function: Many RCCBs are equipped with a test button that allows users to simulate a fault condition and verify the proper operation of the device. Regular testing of RCCBs is essential to ensure that they are functioning correctly and providing the intended level of protection.
\nIn conclusion, RCCBs are essential safety devices that play a critical role in protecting against electrical hazards. Their ability to detect and interrupt abnormal current flows, along with their numerous advantages such as enhanced safety, protection against ground faults, compliance with safety standards, versatility, and ease of installation and maintenance, make them indispensable in electrical installations. By understanding the advantages and functions of RCCBs, individuals and organizations can make informed decisions about incorporating these devices into their electrical systems to ensure the highest level of safety and protection.<\/p>\n

\nMain performance index of WLM6LY series circuit breaker
\n<\/h2>\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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\nWLM6LY Moulded Case Circuit Breaker<\/td>\n630<\/td>\n<\/tr>\n
Rated current (A) of circuit breaker 40\u2103<\/td>\nFix type<\/td>\n400-500-630<\/td>\n<\/tr>\n
Lcd type<\/td>\n400-500-630<\/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>\nAC400(3P, 3P+N, 4P)<\/td>\n<\/tr>\n
Breaking capacity code<\/td>\nC<\/td>\nS<\/td>\nM<\/td>\nH<\/td>\n<\/tr>\n
Number of poles<\/td>\n2P<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
3P<\/td>\n–<\/td>\n–<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n<\/tr>\n
4P<\/td>\n–<\/td>\n–<\/td>\n\u25a0<\/td>\n\u25a0<\/td>\n<\/tr>\n
\nRated ultimate
\nshort-circuit breaking
\ncapacity Icu (kA)\n<\/td>\n		AC380\/400\/415V<\/td>\n–<\/td>\n–<\/td>\n50<\/td>\n65<\/td>\n<\/tr>\n
AC380\/400\/415V<\/td>\n–<\/td>\n–<\/td>\n35<\/td>\n50<\/td>\n<\/tr>\n
\nRated residual making and breaking capacity
\nI\u25b3 m(kA)\n<\/td>\n		AC220\/230\/240V<\/td>\n–<\/td>\n–<\/td>\n16.25<\/td>\n16.25<\/td>\n<\/tr>\n
Limit non-actuating time \u25b3 t (ms)<\/td>\n0.06s\/0.2s\/0.5s\/1s<\/td>\n<\/tr>\n
Leakage alarm non-tripping function<\/td>\n\u25a1<\/td>\n<\/tr>\n
overcurrent tripping type<\/td>\nThemal type<\/td>\n<\/tr>\n
Leakage tripping type<\/td>\nElectronic Type<\/td>\n<\/tr>\n
Residual current type<\/td>\nAC<\/td>\n<\/tr>\n
Standard<\/td>\nIEC\/EN 60947-2<\/td>\n<\/tr>\n
Utilization category<\/td>\nA<\/td>\n<\/tr>\n
Ambient temperature<\/td>\n-40\u2103 ~+70 \u2103<\/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>\n2000<\/td>\n<\/tr>\n
Release units<\/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 (2P\/3P\/4P)<\/td>\n140\/184<\/td>\n<\/tr>\n
Height<\/td>\n257<\/td>\n<\/tr>\n
Depth<\/td>\n103<\/td>\n<\/tr>\n
Weight<\/td>\n<\/tr>\n
Distribution protection<\/td>\n2P<\/td>\n–<\/td>\n<\/tr>\n
3P<\/td>\n5.2<\/td>\n<\/tr>\n
4P<\/td>\n6.672<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

Rated Current : 630A Number Of Poles : 3P\/4P Rated Working Voltage : 400V\/690V<\/p>","protected":false},"featured_media":2393,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[79,178],"product_tag":[],"class_list":["post-2392","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\/2392","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=2392"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/media\/2393"}],"wp:attachment":[{"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/media?parent=2392"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_brand?post=2392"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_cat?post=2392"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/w9-group.com\/es\/wp-json\/wp\/v2\/product_tag?post=2392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}