{"id":1968,"date":"2026-07-30T11:24:05","date_gmt":"2026-07-30T03:24:05","guid":{"rendered":"https:\/\/eqsvq3fzct.wpdns.site\/product\/wlm6-2000a-3300-3p-4p-wlm6-series-thermal-magnetic-type-breaker-400v-690v-2000-amp-3-4-poles-1-1-1-1\/"},"modified":"2026-10-16T10:34:54","modified_gmt":"2026-10-16T02:34:54","slug":"wlm6-2000a-3300-3p-4p-wlm6-series-thermal-magnetic-type-breaker-400v-690v-2000-amp-3-4-poles-1-1-1-1","status":"publish","type":"product","link":"https:\/\/w9-group.com\/ja\/product\/wlm6-2000a-3300-3p-4p-wlm6-series-thermal-magnetic-type-breaker-400v-690v-2000-amp-3-4-poles-1-1-1-1\/","title":{"rendered":"WLM7DC-315 Dc Molded Case Circuit Breaker"},"content":{"rendered":"<div class=\"ksion-pdp--w9-wlm7dc-315-1968\">\n<nav class=\"ksion-pdp__jump\" aria-label=\"Product page sections\">\n    <a href=\"#specifications\">Specifications<\/a><a href=\"#selection\">Selection<\/a><a href=\"#evidence\">W9 Group<\/a><a href=\"#resources\">Resources<\/a><a href=\"#faq\">FAQ<\/a><a class=\"ksion-pdp__jump-cta\" href=\"#product-enquiry\">Request a quote<\/a><br \/>\n  <\/nav>\n<section class=\"ksion-pdp__section\" id=\"specifications\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">TECHNICAL DATA<\/p>\n<h2>WLM7DC-315 PV DC Molded Case Circuit Breaker Specifications<\/h2>\n<p>W9 Group lists WLM7DC-315 as a photovoltaic DC molded case circuit breaker with a 315 A catalog designation and 2P \/ 3P pole options. Confirm the rated voltage, connection scheme and voltage-specific breaking capacity for the exact offered configuration.<\/p>\n<\/div>\n<div class=\"ksion-pdp__table-wrap\">\n<table class=\"ksion-pdp__spec-table\">\n<caption>WLM7DC-315 product specifications<\/caption>\n<tbody>\n<tr>\n<th scope=\"row\">Product series<\/th>\n<td>WLM7DC<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Catalog frame designation<\/th>\n<td>315 A<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Supply type<\/th>\n<td>DC photovoltaic circuits<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Listed pole arrangements<\/th>\n<td>2P \/ 3P<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Catalog current schedule at 40 \u00b0C<\/th>\n<td>280-300-315 A; confirm version<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Insulation voltage Ui (V)<\/th>\n<td>1500<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Impulse withstand voltage (kV)<\/th>\n<td>12<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Operational voltage and breaking capacity<\/th>\n<td>Confirm the voltage\/pole\/capacity-code combination on the matching datasheet<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"ksion-pdp__section ksion-pdp__section--tint\" id=\"selection\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">SELECTION GUIDE<\/p>\n<h2>Selecting a PV DC MCCB by Voltage, Poles and Fault Duty<\/h2>\n<p>Specify the AC\/DC circuit duty, supply voltage, current, pole arrangement, breaking-capacity code and trip-unit configuration when you request a WLM7DC-315 quotation from W9 Group.<\/p>\n<\/div>\n<div class=\"ksion-pdp__selection-grid\">\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">01<\/span><\/p>\n<h3>Specify the circuit side<\/h3>\n<p>State PV DC maximum voltage and the proposed connection arrangement; confirm the permitted series-pole wiring.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">02<\/span><\/p>\n<h3>Specify the current and trip unit<\/h3>\n<p>Reference WLM7DC-315 and ask for the exact operating current and trip-unit functions. Confirm whether the offered unit is a breaker or switch-disconnector.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">03<\/span><\/p>\n<h3>Confirm fault duty<\/h3>\n<p>Provide prospective fault current and request Icu\/Ics at the intended voltage, pole arrangement and capacity code.<\/p>\n<\/article>\n<article class=\"ksion-pdp__selection-card\"><span class=\"ksion-pdp__card-index\">04<\/span><\/p>\n<h3>Check panel fit<\/h3>\n<p>Use the catalog dimensions only for initial planning; request the installation drawing, terminals and clearances for the ordered device.<\/p>\n<\/article>\n<\/div>\n<div class=\"ksion-pdp__application-note\"><strong>Before ordering WLM7DC-315:<\/strong> confirm AC\/DC circuit duty, supply voltage, current, pole arrangement, breaking-capacity code and trip-unit configuration, the matching datasheet and the installation drawing.<\/div>\n<\/section>\n<section class=\"ksion-pdp__section\" id=\"evidence\">\n<div class=\"ksion-pdp__evidence-grid\">\n<div class=\"ksion-pdp__evidence-copy\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">ABOUT W9 GROUP<\/p>\n<h2>W9 Group PV DC MCCB Supply and Support<\/h2>\n<\/p><\/div>\n<p>Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a WLM7DC-315 enquiry, contact W9 Group about configuration and matching product documents.<\/p>\n<div class=\"ksion-pdp__evidence-links\">\n          <a href=\"https:\/\/w9-group.com\/about-us\/\"><span>01<\/span><strong>About W9 Group<\/strong><em>Company profile and low-voltage product range<\/em><\/a><br \/>\n          <a href=\"https:\/\/w9-group.com\/oem-odm\/\"><span>02<\/span><strong>W9 Group OEM \/ ODM<\/strong><em>Ask about branding and configuration for your WLM7DC-315 order<\/em><\/a><br \/>\n          <a href=\"https:\/\/w9-group.com\/technical-support\/\"><span>03<\/span><strong>Technical support<\/strong><em>Request model-specific selection and installation documents<\/em><\/a>\n        <\/div>\n<\/p><\/div>\n<figure class=\"ksion-pdp__evidence-media\">\n        <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/w9-group.com\/wp-content\/uploads\/2026\/07\/oem-circuit-protection-devices.webp\" alt=\"W9 Group OEM and ODM circuit protection product scope\" width=\"1000\" height=\"669\"><figcaption>W9 Group circuit-protection range \u2014 category illustration.<\/figcaption><\/figure>\n<\/p><\/div>\n<\/section>\n<section class=\"ksion-pdp__section ksion-pdp__section--tint\" id=\"resources\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">RELATED RESOURCES<\/p>\n<h2>WLM7DC-315 DC MCCB Datasheet and Connection Drawing Requests<\/h2>\n<p>Use W9 Group technical support and the product directory to specify WLM7DC-315. Request the matching datasheet before ordering.<\/p>\n<\/div>\n<div class=\"ksion-pdp__resource-list\">\n      <a href=\"https:\/\/w9-group.com\/technical-support\/\"><span>TECHNICAL SUPPORT<\/span><strong>WLM7DC-315 selection and documentation<\/strong><em>Request the datasheet and connection drawing for the offered configuration<\/em><\/a><br \/>\n      <a href=\"https:\/\/w9-group.com\/products\/\"><span>PRODUCT DIRECTORY<\/span><strong>Explore W9 Group products<\/strong><em>Browse W9 Group models and request the specifications of the selected product<\/em><\/a><br \/>\n      <a href=\"https:\/\/w9-group.com\/download\/\"><span>DOCUMENTS<\/span><strong>W9 Group download centre<\/strong><em>Request the current document for your quoted WLM7DC-315 variant<\/em><\/a>\n    <\/div>\n<\/section>\n<section class=\"ksion-pdp__section\" id=\"faq\">\n<div class=\"ksion-pdp__section-heading\">\n<p class=\"ksion-pdp__eyebrow\">BUYER FAQ<\/p>\n<h2>WLM7DC-315 DC MCCB FAQs: Current, Trip Unit and Voltage Checks<\/h2>\n<p>Find answers about WLM7DC-315 selection, configuration and ordering.<\/p>\n<\/div>\n<div class=\"ksion-pdp__faq-list\">\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What does WLM7DC-315 identify?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The catalog identifies the WLM7DC series with a 315 A designation. Confirm the fitted current rating, pole arrangement and complete order code.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Can I apply the highest series voltage to every pole arrangement?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Confirm the rated operational voltage and wiring drawing for the selected pole arrangement. A series voltage list does not establish every voltage\/pole combination.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">Which protection functions are included?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Request the actual trip-unit configuration and coordination curves. Confirm breaker versus switch-disconnector and any optional accessories in the quotation.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What is needed for a WLM7DC-315 quotation?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Send the required configuration, quantity, destination market and document requirements. Ask W9 Group to confirm price, minimum order quantity, samples and lead time for the selected configuration.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">What is this WLM7DC molded case circuit breaker used for?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">The source identifies the WLM7DC series for its stated photovoltaic circuit duty, but exact breaker versus switch-disconnector and protection functions depend on configuration. Request the matched datasheet and trip-unit details.<\/p>\n<\/details>\n<details class=\"ksion-pdp__faq-item\">\n<summary class=\"ksion-pdp__faq-question\">How should I confirm the breaking capacity?<\/summary>\n<p class=\"ksion-pdp__faq-answer\">Provide prospective fault current and request Icu\/Ics for the intended voltage, pole arrangement and capacity code; do not apply the series voltage list to every configuration.<\/p>\n<\/details>\n<\/div>\n<\/section>\n<section class=\"ksion-pdp__section\" id=\"product-enquiry\">\n<div class=\"ksion-pdp__enquiry\">\n<div class=\"ksion-pdp__enquiry-copy\">\n<p class=\"ksion-pdp__eyebrow\">PRODUCT ENQUIRY<\/p>\n<h2>Request a WLM7DC-315 PV DC MCCB Quotation<\/h2>\n<p>Tell W9 Group your AC\/DC circuit duty, supply voltage, current, pole arrangement, breaking-capacity code and trip-unit configuration, quantity and destination market so the selected configuration can be identified.<\/p>\n<\/div>\n<p><a class=\"ksion-pdp__button ksion-pdp__button--primary\" href=\"https:\/\/w9-group.com\/contact-us\/\">Contact W9 Group<\/a><\/div>\n<\/section>\n<\/div>\n<style id=\"kt-product-pdp-styles\">.ksion-pdp--w9-wlm7dc-315-1968{all:initial;display:block;isolation:isolate;box-sizing:border-box;--ksion-ink:#172433;--ksion-muted:#5f6e7d;--ksion-blue:#1468a8;--ksion-blue-dark:#0d4878;--ksion-cyan:#37bfd1;--ksion-line:#d9e3ea;--ksion-panel:#f3f7fa;--ksion-paper:#ffffff;--ksion-warm:#fff8e8;color:var(--ksion-ink);background:var(--ksion-paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;font-size:16px;line-height:1.65;margin:0 auto;max-width:none;padding:0 0 72px}.ksion-pdp--w9-wlm7dc-315-1968,.ksion-pdp--w9-wlm7dc-315-1968 *{box-sizing:border-box}.ksion-pdp--w9-wlm7dc-315-1968 a{color:var(--ksion-blue);text-decoration:none}.ksion-pdp--w9-wlm7dc-315-1968 a:hover{color:var(--ksion-blue-dark)}.ksion-pdp--w9-wlm7dc-315-1968 a:focus-visible{outline:3px solid 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